Home / 25,153.11-34,711.74-13,823.64

Finding the Fourth Proportional to 25,153.11, 34,711.74 and 13,823.64

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Solution

The fourth proportional to 25,153.11, 34,711.74 and 13,823.64 is: 19,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.11 : 34,711.74 = 13,823.64 : x
  2. Step 2: Convert to fraction form
    25,153.11/34,711.74 = 13,823.64/x
  3. Step 3: Cross multiply
    25,153.11x = 34,711.74 × 13,823.64
  4. Step 4: Simplify right side
    25,153.11x = 479,842,597.53
  5. Step 5: Solve for x
    x = 479,842,597.53/25,153.11
  6. Step 6: Final answer
    x = 19,076.87

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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.