Home / 14,150.30-19,526.46-7,776.75

Finding the Fourth Proportional to 14,150.30, 19,526.46 and 7,776.75

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Solution

The fourth proportional to 14,150.30, 19,526.46 and 7,776.75 is: 10,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.30 : 19,526.46 = 7,776.75 : x
  2. Step 2: Convert to fraction form
    14,150.30/19,526.46 = 7,776.75/x
  3. Step 3: Cross multiply
    14,150.30x = 19,526.46 × 7,776.75
  4. Step 4: Simplify right side
    14,150.30x = 151,852,397.81
  5. Step 5: Solve for x
    x = 151,852,397.81/14,150.30
  6. Step 6: Final answer
    x = 10,731.39

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Half scale
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Double scale
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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.