Home / 25,141.47-34,694.11-15,075.47

Finding the Fourth Proportional to 25,141.47, 34,694.11 and 15,075.47

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Solution

The fourth proportional to 25,141.47, 34,694.11 and 15,075.47 is: 20,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,141.47 : 34,694.11 = 15,075.47 : x
  2. Step 2: Convert to fraction form
    25,141.47/34,694.11 = 15,075.47/x
  3. Step 3: Cross multiply
    25,141.47x = 34,694.11 × 15,075.47
  4. Step 4: Simplify right side
    25,141.47x = 523,029,803.32
  5. Step 5: Solve for x
    x = 523,029,803.32/25,141.47
  6. Step 6: Final answer
    x = 20,803.47

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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.