Home / 25,157.17-34,716.87-13,827.40

Finding the Fourth Proportional to 25,157.17, 34,716.87 and 13,827.40

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Solution

The fourth proportional to 25,157.17, 34,716.87 and 13,827.40 is: 19,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157.17 : 34,716.87 = 13,827.40 : x
  2. Step 2: Convert to fraction form
    25,157.17/34,716.87 = 13,827.40/x
  3. Step 3: Cross multiply
    25,157.17x = 34,716.87 × 13,827.40
  4. Step 4: Simplify right side
    25,157.17x = 480,044,048.24
  5. Step 5: Solve for x
    x = 480,044,048.24/25,157.17
  6. Step 6: Final answer
    x = 19,081.80

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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.