Home / 16,681.95-23,020.20-9,127.89

Finding the Fourth Proportional to 16,681.95, 23,020.20 and 9,127.89

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Solution

The fourth proportional to 16,681.95, 23,020.20 and 9,127.89 is: 12,596.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.95 : 23,020.20 = 9,127.89 : x
  2. Step 2: Convert to fraction form
    16,681.95/23,020.20 = 9,127.89/x
  3. Step 3: Cross multiply
    16,681.95x = 23,020.20 × 9,127.89
  4. Step 4: Simplify right side
    16,681.95x = 210,125,853.38
  5. Step 5: Solve for x
    x = 210,125,853.38/16,681.95
  6. Step 6: Final answer
    x = 12,596.00

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Half scale
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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.