Home / 15,373.53-23,031.14-9,120.33

Finding the Fourth Proportional to 15,373.53, 23,031.14 and 9,120.33

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Solution

The fourth proportional to 15,373.53, 23,031.14 and 9,120.33 is: 13,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373.53 : 23,031.14 = 9,120.33 : x
  2. Step 2: Convert to fraction form
    15,373.53/23,031.14 = 9,120.33/x
  3. Step 3: Cross multiply
    15,373.53x = 23,031.14 × 9,120.33
  4. Step 4: Simplify right side
    15,373.53x = 210,051,551.47
  5. Step 5: Solve for x
    x = 210,051,551.47/15,373.53
  6. Step 6: Final answer
    x = 13,663.20

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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.