Home / 25,872.18-35,703.92-15,663.07

Finding the Fourth Proportional to 25,872.18, 35,703.92 and 15,663.07

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Solution

The fourth proportional to 25,872.18, 35,703.92 and 15,663.07 is: 21,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,872.18 : 35,703.92 = 15,663.07 : x
  2. Step 2: Convert to fraction form
    25,872.18/35,703.92 = 15,663.07/x
  3. Step 3: Cross multiply
    25,872.18x = 35,703.92 × 15,663.07
  4. Step 4: Simplify right side
    25,872.18x = 559,233,082.02
  5. Step 5: Solve for x
    x = 559,233,082.02/25,872.18
  6. Step 6: Final answer
    x = 21,615.23

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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.