Home / 16,901.40-25,352.10-9,125.40

Finding the Fourth Proportional to 16,901.40, 25,352.10 and 9,125.40

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Solution

The fourth proportional to 16,901.40, 25,352.10 and 9,125.40 is: 13,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,901.40 : 25,352.10 = 9,125.40 : x
  2. Step 2: Convert to fraction form
    16,901.40/25,352.10 = 9,125.40/x
  3. Step 3: Cross multiply
    16,901.40x = 25,352.10 × 9,125.40
  4. Step 4: Simplify right side
    16,901.40x = 231,348,053.34
  5. Step 5: Solve for x
    x = 231,348,053.34/16,901.40
  6. Step 6: Final answer
    x = 13,688.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.