Home / 25,751.42-38,561.07-17,842.70

Finding the Fourth Proportional to 25,751.42, 38,561.07 and 17,842.70

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Solution

The fourth proportional to 25,751.42, 38,561.07 and 17,842.70 is: 26,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.42 : 38,561.07 = 17,842.70 : x
  2. Step 2: Convert to fraction form
    25,751.42/38,561.07 = 17,842.70/x
  3. Step 3: Cross multiply
    25,751.42x = 38,561.07 × 17,842.70
  4. Step 4: Simplify right side
    25,751.42x = 688,033,603.69
  5. Step 5: Solve for x
    x = 688,033,603.69/25,751.42
  6. Step 6: Final answer
    x = 26,718.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.