Home / 14,358.12-21,515.19-9,660.74

Finding the Fourth Proportional to 14,358.12, 21,515.19 and 9,660.74

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Solution

The fourth proportional to 14,358.12, 21,515.19 and 9,660.74 is: 14,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.12 : 21,515.19 = 9,660.74 : x
  2. Step 2: Convert to fraction form
    14,358.12/21,515.19 = 9,660.74/x
  3. Step 3: Cross multiply
    14,358.12x = 21,515.19 × 9,660.74
  4. Step 4: Simplify right side
    14,358.12x = 207,852,549.06
  5. Step 5: Solve for x
    x = 207,852,549.06/14,358.12
  6. Step 6: Final answer
    x = 14,476.31

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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.