Home / 25,714.16-35,478.89-16,155.55

Finding the Fourth Proportional to 25,714.16, 35,478.89 and 16,155.55

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Solution

The fourth proportional to 25,714.16, 35,478.89 and 16,155.55 is: 22,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,714.16 : 35,478.89 = 16,155.55 : x
  2. Step 2: Convert to fraction form
    25,714.16/35,478.89 = 16,155.55/x
  3. Step 3: Cross multiply
    25,714.16x = 35,478.89 × 16,155.55
  4. Step 4: Simplify right side
    25,714.16x = 573,180,803.95
  5. Step 5: Solve for x
    x = 573,180,803.95/25,714.16
  6. Step 6: Final answer
    x = 22,290.48

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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.