Home / 23,459.76-32,403.24-18,988.56

Finding the Fourth Proportional to 23,459.76, 32,403.24 and 18,988.56

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Solution

The fourth proportional to 23,459.76, 32,403.24 and 18,988.56 is: 26,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,459.76 : 32,403.24 = 18,988.56 : x
  2. Step 2: Convert to fraction form
    23,459.76/32,403.24 = 18,988.56/x
  3. Step 3: Cross multiply
    23,459.76x = 32,403.24 × 18,988.56
  4. Step 4: Simplify right side
    23,459.76x = 615,290,866.93
  5. Step 5: Solve for x
    x = 615,290,866.93/23,459.76
  6. Step 6: Final answer
    x = 26,227.50

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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.