Home / 25,103.40-34,642.16-13,925.40

Finding the Fourth Proportional to 25,103.40, 34,642.16 and 13,925.40

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Solution

The fourth proportional to 25,103.40, 34,642.16 and 13,925.40 is: 19,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,103.40 : 34,642.16 = 13,925.40 : x
  2. Step 2: Convert to fraction form
    25,103.40/34,642.16 = 13,925.40/x
  3. Step 3: Cross multiply
    25,103.40x = 34,642.16 × 13,925.40
  4. Step 4: Simplify right side
    25,103.40x = 482,405,934.86
  5. Step 5: Solve for x
    x = 482,405,934.86/25,103.40
  6. Step 6: Final answer
    x = 19,216.76

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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.