Home / 15,423.40-23,135.10-10,433.80

Finding the Fourth Proportional to 15,423.40, 23,135.10 and 10,433.80

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Solution

The fourth proportional to 15,423.40, 23,135.10 and 10,433.80 is: 15,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.40 : 23,135.10 = 10,433.80 : x
  2. Step 2: Convert to fraction form
    15,423.40/23,135.10 = 10,433.80/x
  3. Step 3: Cross multiply
    15,423.40x = 23,135.10 × 10,433.80
  4. Step 4: Simplify right side
    15,423.40x = 241,387,006.38
  5. Step 5: Solve for x
    x = 241,387,006.38/15,423.40
  6. Step 6: Final answer
    x = 15,650.70

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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.