Home / 18,114.81-24,999.65-10,157.55

Finding the Fourth Proportional to 18,114.81, 24,999.65 and 10,157.55

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Solution

The fourth proportional to 18,114.81, 24,999.65 and 10,157.55 is: 14,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.81 : 24,999.65 = 10,157.55 : x
  2. Step 2: Convert to fraction form
    18,114.81/24,999.65 = 10,157.55/x
  3. Step 3: Cross multiply
    18,114.81x = 24,999.65 × 10,157.55
  4. Step 4: Simplify right side
    18,114.81x = 253,935,194.86
  5. Step 5: Solve for x
    x = 253,935,194.86/18,114.81
  6. Step 6: Final answer
    x = 14,018.10

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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.