Home / 16,386.40-24,565.20-9,805.60

Finding the Fourth Proportional to 16,386.40, 24,565.20 and 9,805.60

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Solution

The fourth proportional to 16,386.40, 24,565.20 and 9,805.60 is: 14,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386.40 : 24,565.20 = 9,805.60 : x
  2. Step 2: Convert to fraction form
    16,386.40/24,565.20 = 9,805.60/x
  3. Step 3: Cross multiply
    16,386.40x = 24,565.20 × 9,805.60
  4. Step 4: Simplify right side
    16,386.40x = 240,876,525.12
  5. Step 5: Solve for x
    x = 240,876,525.12/16,386.40
  6. Step 6: Final answer
    x = 14,699.78

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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.