Home / 25,445.49-35,114.55-14,115.01

Finding the Fourth Proportional to 25,445.49, 35,114.55 and 14,115.01

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Solution

The fourth proportional to 25,445.49, 35,114.55 and 14,115.01 is: 19,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.49 : 35,114.55 = 14,115.01 : x
  2. Step 2: Convert to fraction form
    25,445.49/35,114.55 = 14,115.01/x
  3. Step 3: Cross multiply
    25,445.49x = 35,114.55 × 14,115.01
  4. Step 4: Simplify right side
    25,445.49x = 495,642,149.52
  5. Step 5: Solve for x
    x = 495,642,149.52/25,445.49
  6. Step 6: Final answer
    x = 19,478.58

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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.