Home / 15,931.72-23,897.58-5,543.46

Finding the Fourth Proportional to 15,931.72, 23,897.58 and 5,543.46

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Solution

The fourth proportional to 15,931.72, 23,897.58 and 5,543.46 is: 8,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.72 : 23,897.58 = 5,543.46 : x
  2. Step 2: Convert to fraction form
    15,931.72/23,897.58 = 5,543.46/x
  3. Step 3: Cross multiply
    15,931.72x = 23,897.58 × 5,543.46
  4. Step 4: Simplify right side
    15,931.72x = 132,475,278.83
  5. Step 5: Solve for x
    x = 132,475,278.83/15,931.72
  6. Step 6: Final answer
    x = 8,315.19

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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.