Home / 25,280.02-34,885.88-13,949.08

Finding the Fourth Proportional to 25,280.02, 34,885.88 and 13,949.08

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Solution

The fourth proportional to 25,280.02, 34,885.88 and 13,949.08 is: 19,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.02 : 34,885.88 = 13,949.08 : x
  2. Step 2: Convert to fraction form
    25,280.02/34,885.88 = 13,949.08/x
  3. Step 3: Cross multiply
    25,280.02x = 34,885.88 × 13,949.08
  4. Step 4: Simplify right side
    25,280.02x = 486,625,686.82
  5. Step 5: Solve for x
    x = 486,625,686.82/25,280.02
  6. Step 6: Final answer
    x = 19,249.42

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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.