Home / 24,139.56-36,342.93-18,902.64

Finding the Fourth Proportional to 24,139.56, 36,342.93 and 18,902.64

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Solution

The fourth proportional to 24,139.56, 36,342.93 and 18,902.64 is: 28,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,139.56 : 36,342.93 = 18,902.64 : x
  2. Step 2: Convert to fraction form
    24,139.56/36,342.93 = 18,902.64/x
  3. Step 3: Cross multiply
    24,139.56x = 36,342.93 × 18,902.64
  4. Step 4: Simplify right side
    24,139.56x = 686,977,322.34
  5. Step 5: Solve for x
    x = 686,977,322.34/24,139.56
  6. Step 6: Final answer
    x = 28,458.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.