Home / 23,486.31-32,411.10-12,875.72

Finding the Fourth Proportional to 23,486.31, 32,411.10 and 12,875.72

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Solution

The fourth proportional to 23,486.31, 32,411.10 and 12,875.72 is: 17,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,486.31 : 32,411.10 = 12,875.72 : x
  2. Step 2: Convert to fraction form
    23,486.31/32,411.10 = 12,875.72/x
  3. Step 3: Cross multiply
    23,486.31x = 32,411.10 × 12,875.72
  4. Step 4: Simplify right side
    23,486.31x = 417,316,086.44
  5. Step 5: Solve for x
    x = 417,316,086.44/23,486.31
  6. Step 6: Final answer
    x = 17,768.48

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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.