Home / 25,072.02-34,600.23-13,742.55

Finding the Fourth Proportional to 25,072.02, 34,600.23 and 13,742.55

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Solution

The fourth proportional to 25,072.02, 34,600.23 and 13,742.55 is: 18,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,072.02 : 34,600.23 = 13,742.55 : x
  2. Step 2: Convert to fraction form
    25,072.02/34,600.23 = 13,742.55/x
  3. Step 3: Cross multiply
    25,072.02x = 34,600.23 × 13,742.55
  4. Step 4: Simplify right side
    25,072.02x = 475,495,390.79
  5. Step 5: Solve for x
    x = 475,495,390.79/25,072.02
  6. Step 6: Final answer
    x = 18,965.18

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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.