Home / 16,257.91-22,438.30-9,547.21

Finding the Fourth Proportional to 16,257.91, 22,438.30 and 9,547.21

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Solution

The fourth proportional to 16,257.91, 22,438.30 and 9,547.21 is: 13,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,257.91 : 22,438.30 = 9,547.21 : x
  2. Step 2: Convert to fraction form
    16,257.91/22,438.30 = 9,547.21/x
  3. Step 3: Cross multiply
    16,257.91x = 22,438.30 × 9,547.21
  4. Step 4: Simplify right side
    16,257.91x = 214,223,114.41
  5. Step 5: Solve for x
    x = 214,223,114.41/16,257.91
  6. Step 6: Final answer
    x = 13,176.55

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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.