Home / 25,445.02-35,115.79-14,115.55

Finding the Fourth Proportional to 25,445.02, 35,115.79 and 14,115.55

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Solution

The fourth proportional to 25,445.02, 35,115.79 and 14,115.55 is: 19,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.02 : 35,115.79 = 14,115.55 : x
  2. Step 2: Convert to fraction form
    25,445.02/35,115.79 = 14,115.55/x
  3. Step 3: Cross multiply
    25,445.02x = 35,115.79 × 14,115.55
  4. Step 4: Simplify right side
    25,445.02x = 495,678,689.53
  5. Step 5: Solve for x
    x = 495,678,689.53/25,445.02
  6. Step 6: Final answer
    x = 19,480.38

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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.