Home / 25,407.20-35,063.19-15,335.48

Finding the Fourth Proportional to 25,407.20, 35,063.19 and 15,335.48

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Solution

The fourth proportional to 25,407.20, 35,063.19 and 15,335.48 is: 21,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407.20 : 35,063.19 = 15,335.48 : x
  2. Step 2: Convert to fraction form
    25,407.20/35,063.19 = 15,335.48/x
  3. Step 3: Cross multiply
    25,407.20x = 35,063.19 × 15,335.48
  4. Step 4: Simplify right side
    25,407.20x = 537,710,673.67
  5. Step 5: Solve for x
    x = 537,710,673.67/25,407.20
  6. Step 6: Final answer
    x = 21,163.72

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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.