Home / 15,988.20-23,985.76-6,127.49

Finding the Fourth Proportional to 15,988.20, 23,985.76 and 6,127.49

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Solution

The fourth proportional to 15,988.20, 23,985.76 and 6,127.49 is: 9,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.20 : 23,985.76 = 6,127.49 : x
  2. Step 2: Convert to fraction form
    15,988.20/23,985.76 = 6,127.49/x
  3. Step 3: Cross multiply
    15,988.20x = 23,985.76 × 6,127.49
  4. Step 4: Simplify right side
    15,988.20x = 146,972,369.29
  5. Step 5: Solve for x
    x = 146,972,369.29/15,988.20
  6. Step 6: Final answer
    x = 9,192.55

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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.