Home / 18,126.60-25,014.65-10,061.47

Finding the Fourth Proportional to 18,126.60, 25,014.65 and 10,061.47

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Solution

The fourth proportional to 18,126.60, 25,014.65 and 10,061.47 is: 13,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.60 : 25,014.65 = 10,061.47 : x
  2. Step 2: Convert to fraction form
    18,126.60/25,014.65 = 10,061.47/x
  3. Step 3: Cross multiply
    18,126.60x = 25,014.65 × 10,061.47
  4. Step 4: Simplify right side
    18,126.60x = 251,684,131.50
  5. Step 5: Solve for x
    x = 251,684,131.50/18,126.60
  6. Step 6: Final answer
    x = 13,884.80

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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.