Home / 23,712.31-32,749.40-18,398.99

Finding the Fourth Proportional to 23,712.31, 32,749.40 and 18,398.99

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Solution

The fourth proportional to 23,712.31, 32,749.40 and 18,398.99 is: 25,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,712.31 : 32,749.40 = 18,398.99 : x
  2. Step 2: Convert to fraction form
    23,712.31/32,749.40 = 18,398.99/x
  3. Step 3: Cross multiply
    23,712.31x = 32,749.40 × 18,398.99
  4. Step 4: Simplify right side
    23,712.31x = 602,555,883.11
  5. Step 5: Solve for x
    x = 602,555,883.11/23,712.31
  6. Step 6: Final answer
    x = 25,411.10

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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.