Home / 19,557.14-29,084.09-18,934.35

Finding the Fourth Proportional to 19,557.14, 29,084.09 and 18,934.35

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Solution

The fourth proportional to 19,557.14, 29,084.09 and 18,934.35 is: 28,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.14 : 29,084.09 = 18,934.35 : x
  2. Step 2: Convert to fraction form
    19,557.14/29,084.09 = 18,934.35/x
  3. Step 3: Cross multiply
    19,557.14x = 29,084.09 × 18,934.35
  4. Step 4: Simplify right side
    19,557.14x = 550,688,244.82
  5. Step 5: Solve for x
    x = 550,688,244.82/19,557.14
  6. Step 6: Final answer
    x = 28,157.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.