Home / 15,146.79-22,729.91-7,351.35

Finding the Fourth Proportional to 15,146.79, 22,729.91 and 7,351.35

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Solution

The fourth proportional to 15,146.79, 22,729.91 and 7,351.35 is: 11,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.79 : 22,729.91 = 7,351.35 : x
  2. Step 2: Convert to fraction form
    15,146.79/22,729.91 = 7,351.35/x
  3. Step 3: Cross multiply
    15,146.79x = 22,729.91 × 7,351.35
  4. Step 4: Simplify right side
    15,146.79x = 167,095,487.12
  5. Step 5: Solve for x
    x = 167,095,487.12/15,146.79
  6. Step 6: Final answer
    x = 11,031.74

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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.