Home / 25,521.35-35,220.22-15,451.63

Finding the Fourth Proportional to 25,521.35, 35,220.22 and 15,451.63

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Solution

The fourth proportional to 25,521.35, 35,220.22 and 15,451.63 is: 21,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.35 : 35,220.22 = 15,451.63 : x
  2. Step 2: Convert to fraction form
    25,521.35/35,220.22 = 15,451.63/x
  3. Step 3: Cross multiply
    25,521.35x = 35,220.22 × 15,451.63
  4. Step 4: Simplify right side
    25,521.35x = 544,209,681.28
  5. Step 5: Solve for x
    x = 544,209,681.28/25,521.35
  6. Step 6: Final answer
    x = 21,323.71

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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.