Home / 16,347.86-22,561.71-9,635.65

Finding the Fourth Proportional to 16,347.86, 22,561.71 and 9,635.65

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Solution

The fourth proportional to 16,347.86, 22,561.71 and 9,635.65 is: 13,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,347.86 : 22,561.71 = 9,635.65 : x
  2. Step 2: Convert to fraction form
    16,347.86/22,561.71 = 9,635.65/x
  3. Step 3: Cross multiply
    16,347.86x = 22,561.71 × 9,635.65
  4. Step 4: Simplify right side
    16,347.86x = 217,396,740.96
  5. Step 5: Solve for x
    x = 217,396,740.96/16,347.86
  6. Step 6: Final answer
    x = 13,298.18

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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.