Home / 18,657.18-25,746.12-10,693.86

Finding the Fourth Proportional to 18,657.18, 25,746.12 and 10,693.86

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Solution

The fourth proportional to 18,657.18, 25,746.12 and 10,693.86 is: 14,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.18 : 25,746.12 = 10,693.86 : x
  2. Step 2: Convert to fraction form
    18,657.18/25,746.12 = 10,693.86/x
  3. Step 3: Cross multiply
    18,657.18x = 25,746.12 × 10,693.86
  4. Step 4: Simplify right side
    18,657.18x = 275,325,402.82
  5. Step 5: Solve for x
    x = 275,325,402.82/18,657.18
  6. Step 6: Final answer
    x = 14,757.07

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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.