Home / 25,262.18-34,860.27-13,931.80

Finding the Fourth Proportional to 25,262.18, 34,860.27 and 13,931.80

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Solution

The fourth proportional to 25,262.18, 34,860.27 and 13,931.80 is: 19,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,262.18 : 34,860.27 = 13,931.80 : x
  2. Step 2: Convert to fraction form
    25,262.18/34,860.27 = 13,931.80/x
  3. Step 3: Cross multiply
    25,262.18x = 34,860.27 × 13,931.80
  4. Step 4: Simplify right side
    25,262.18x = 485,666,274.68
  5. Step 5: Solve for x
    x = 485,666,274.68/25,262.18
  6. Step 6: Final answer
    x = 19,225.04

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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.