Home / 15,348.90-23,020.02-5,488.86

Finding the Fourth Proportional to 15,348.90, 23,020.02 and 5,488.86

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Solution

The fourth proportional to 15,348.90, 23,020.02 and 5,488.86 is: 8,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348.90 : 23,020.02 = 5,488.86 : x
  2. Step 2: Convert to fraction form
    15,348.90/23,020.02 = 5,488.86/x
  3. Step 3: Cross multiply
    15,348.90x = 23,020.02 × 5,488.86
  4. Step 4: Simplify right side
    15,348.90x = 126,353,666.98
  5. Step 5: Solve for x
    x = 126,353,666.98/15,348.90
  6. Step 6: Final answer
    x = 8,232.10

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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.