Home / 25,761.78-35,549.55-14,275.92

Finding the Fourth Proportional to 25,761.78, 35,549.55 and 14,275.92

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Solution

The fourth proportional to 25,761.78, 35,549.55 and 14,275.92 is: 19,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.78 : 35,549.55 = 14,275.92 : x
  2. Step 2: Convert to fraction form
    25,761.78/35,549.55 = 14,275.92/x
  3. Step 3: Cross multiply
    25,761.78x = 35,549.55 × 14,275.92
  4. Step 4: Simplify right side
    25,761.78x = 507,502,531.84
  5. Step 5: Solve for x
    x = 507,502,531.84/25,761.78
  6. Step 6: Final answer
    x = 19,699.82

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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.