Home / 16,389.60-24,585.12-4,702.56

Finding the Fourth Proportional to 16,389.60, 24,585.12 and 4,702.56

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Solution

The fourth proportional to 16,389.60, 24,585.12 and 4,702.56 is: 7,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.60 : 24,585.12 = 4,702.56 : x
  2. Step 2: Convert to fraction form
    16,389.60/24,585.12 = 4,702.56/x
  3. Step 3: Cross multiply
    16,389.60x = 24,585.12 × 4,702.56
  4. Step 4: Simplify right side
    16,389.60x = 115,613,001.91
  5. Step 5: Solve for x
    x = 115,613,001.91/16,389.60
  6. Step 6: Final answer
    x = 7,054.05

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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.