Home / 25,780.24-35,576.12-15,024.40

Finding the Fourth Proportional to 25,780.24, 35,576.12 and 15,024.40

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Solution

The fourth proportional to 25,780.24, 35,576.12 and 15,024.40 is: 20,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,780.24 : 35,576.12 = 15,024.40 : x
  2. Step 2: Convert to fraction form
    25,780.24/35,576.12 = 15,024.40/x
  3. Step 3: Cross multiply
    25,780.24x = 35,576.12 × 15,024.40
  4. Step 4: Simplify right side
    25,780.24x = 534,509,857.33
  5. Step 5: Solve for x
    x = 534,509,857.33/25,780.24
  6. Step 6: Final answer
    x = 20,733.32

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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.