Home / 14,159.10-21,218.52-10,432.02

Finding the Fourth Proportional to 14,159.10, 21,218.52 and 10,432.02

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Solution

The fourth proportional to 14,159.10, 21,218.52 and 10,432.02 is: 15,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.10 : 21,218.52 = 10,432.02 : x
  2. Step 2: Convert to fraction form
    14,159.10/21,218.52 = 10,432.02/x
  3. Step 3: Cross multiply
    14,159.10x = 21,218.52 × 10,432.02
  4. Step 4: Simplify right side
    14,159.10x = 221,352,025.01
  5. Step 5: Solve for x
    x = 221,352,025.01/14,159.10
  6. Step 6: Final answer
    x = 15,633.20

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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.