Home / 25,261.11-34,860.60-13,931.10

Finding the Fourth Proportional to 25,261.11, 34,860.60 and 13,931.10

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Solution

The fourth proportional to 25,261.11, 34,860.60 and 13,931.10 is: 19,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,261.11 : 34,860.60 = 13,931.10 : x
  2. Step 2: Convert to fraction form
    25,261.11/34,860.60 = 13,931.10/x
  3. Step 3: Cross multiply
    25,261.11x = 34,860.60 × 13,931.10
  4. Step 4: Simplify right side
    25,261.11x = 485,646,504.66
  5. Step 5: Solve for x
    x = 485,646,504.66/25,261.11
  6. Step 6: Final answer
    x = 19,225.07

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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.