Home / 15,537.80-21,433.74-9,248.96

Finding the Fourth Proportional to 15,537.80, 21,433.74 and 9,248.96

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Solution

The fourth proportional to 15,537.80, 21,433.74 and 9,248.96 is: 12,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.80 : 21,433.74 = 9,248.96 : x
  2. Step 2: Convert to fraction form
    15,537.80/21,433.74 = 9,248.96/x
  3. Step 3: Cross multiply
    15,537.80x = 21,433.74 × 9,248.96
  4. Step 4: Simplify right side
    15,537.80x = 198,239,803.91
  5. Step 5: Solve for x
    x = 198,239,803.91/15,537.80
  6. Step 6: Final answer
    x = 12,758.55

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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.