Home / 18,432.02-25,445.52-10,880.66

Finding the Fourth Proportional to 18,432.02, 25,445.52 and 10,880.66

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Solution

The fourth proportional to 18,432.02, 25,445.52 and 10,880.66 is: 15,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.02 : 25,445.52 = 10,880.66 : x
  2. Step 2: Convert to fraction form
    18,432.02/25,445.52 = 10,880.66/x
  3. Step 3: Cross multiply
    18,432.02x = 25,445.52 × 10,880.66
  4. Step 4: Simplify right side
    18,432.02x = 276,864,051.64
  5. Step 5: Solve for x
    x = 276,864,051.64/18,432.02
  6. Step 6: Final answer
    x = 15,020.82

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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.