Home / 25,084.18-34,639.60-16,147.21

Finding the Fourth Proportional to 25,084.18, 34,639.60 and 16,147.21

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Solution

The fourth proportional to 25,084.18, 34,639.60 and 16,147.21 is: 22,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,084.18 : 34,639.60 = 16,147.21 : x
  2. Step 2: Convert to fraction form
    25,084.18/34,639.60 = 16,147.21/x
  3. Step 3: Cross multiply
    25,084.18x = 34,639.60 × 16,147.21
  4. Step 4: Simplify right side
    25,084.18x = 559,332,895.52
  5. Step 5: Solve for x
    x = 559,332,895.52/25,084.18
  6. Step 6: Final answer
    x = 22,298.23

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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.