Home / 18,392.10-25,383.96-10,432.68

Finding the Fourth Proportional to 18,392.10, 25,383.96 and 10,432.68

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Solution

The fourth proportional to 18,392.10, 25,383.96 and 10,432.68 is: 14,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.10 : 25,383.96 = 10,432.68 : x
  2. Step 2: Convert to fraction form
    18,392.10/25,383.96 = 10,432.68/x
  3. Step 3: Cross multiply
    18,392.10x = 25,383.96 × 10,432.68
  4. Step 4: Simplify right side
    18,392.10x = 264,822,731.81
  5. Step 5: Solve for x
    x = 264,822,731.81/18,392.10
  6. Step 6: Final answer
    x = 14,398.72

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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.