Home / 13,972.01-19,281.15-9,265.10

Finding the Fourth Proportional to 13,972.01, 19,281.15 and 9,265.10

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Solution

The fourth proportional to 13,972.01, 19,281.15 and 9,265.10 is: 12,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.01 : 19,281.15 = 9,265.10 : x
  2. Step 2: Convert to fraction form
    13,972.01/19,281.15 = 9,265.10/x
  3. Step 3: Cross multiply
    13,972.01x = 19,281.15 × 9,265.10
  4. Step 4: Simplify right side
    13,972.01x = 178,641,686.46
  5. Step 5: Solve for x
    x = 178,641,686.46/13,972.01
  6. Step 6: Final answer
    x = 12,785.69

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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.