Home / 25,618.38-35,353.21-14,287.74

Finding the Fourth Proportional to 25,618.38, 35,353.21 and 14,287.74

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Solution

The fourth proportional to 25,618.38, 35,353.21 and 14,287.74 is: 19,717.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.38 : 35,353.21 = 14,287.74 : x
  2. Step 2: Convert to fraction form
    25,618.38/35,353.21 = 14,287.74/x
  3. Step 3: Cross multiply
    25,618.38x = 35,353.21 × 14,287.74
  4. Step 4: Simplify right side
    25,618.38x = 505,117,472.65
  5. Step 5: Solve for x
    x = 505,117,472.65/25,618.38
  6. Step 6: Final answer
    x = 19,717.00

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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.