Home / 19,141.19-26,414.76-10,643.05

Finding the Fourth Proportional to 19,141.19, 26,414.76 and 10,643.05

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Solution

The fourth proportional to 19,141.19, 26,414.76 and 10,643.05 is: 14,687.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.19 : 26,414.76 = 10,643.05 : x
  2. Step 2: Convert to fraction form
    19,141.19/26,414.76 = 10,643.05/x
  3. Step 3: Cross multiply
    19,141.19x = 26,414.76 × 10,643.05
  4. Step 4: Simplify right side
    19,141.19x = 281,133,611.42
  5. Step 5: Solve for x
    x = 281,133,611.42/19,141.19
  6. Step 6: Final answer
    x = 14,687.36

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Half scale
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Double scale
Find fourth proportional to 19,142.19, 26,416.14 and 10,644.05
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.