Home / 18,060.90-24,925.35-10,105.70

Finding the Fourth Proportional to 18,060.90, 24,925.35 and 10,105.70

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Solution

The fourth proportional to 18,060.90, 24,925.35 and 10,105.70 is: 13,946.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.90 : 24,925.35 = 10,105.70 : x
  2. Step 2: Convert to fraction form
    18,060.90/24,925.35 = 10,105.70/x
  3. Step 3: Cross multiply
    18,060.90x = 24,925.35 × 10,105.70
  4. Step 4: Simplify right side
    18,060.90x = 251,887,984.87
  5. Step 5: Solve for x
    x = 251,887,984.87/18,060.90
  6. Step 6: Final answer
    x = 13,946.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.