Home / 25,567.15-35,272.85-15,872.05

Finding the Fourth Proportional to 25,567.15, 35,272.85 and 15,872.05

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Solution

The fourth proportional to 25,567.15, 35,272.85 and 15,872.05 is: 21,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,567.15 : 35,272.85 = 15,872.05 : x
  2. Step 2: Convert to fraction form
    25,567.15/35,272.85 = 15,872.05/x
  3. Step 3: Cross multiply
    25,567.15x = 35,272.85 × 15,872.05
  4. Step 4: Simplify right side
    25,567.15x = 559,852,438.84
  5. Step 5: Solve for x
    x = 559,852,438.84/25,567.15
  6. Step 6: Final answer
    x = 21,897.34

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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.