Home / 25,716.50-38,574.75-7,248.50

Finding the Fourth Proportional to 25,716.50, 38,574.75 and 7,248.50

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Solution

The fourth proportional to 25,716.50, 38,574.75 and 7,248.50 is: 10,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.50 : 38,574.75 = 7,248.50 : x
  2. Step 2: Convert to fraction form
    25,716.50/38,574.75 = 7,248.50/x
  3. Step 3: Cross multiply
    25,716.50x = 38,574.75 × 7,248.50
  4. Step 4: Simplify right side
    25,716.50x = 279,609,075.38
  5. Step 5: Solve for x
    x = 279,609,075.38/25,716.50
  6. Step 6: Final answer
    x = 10,872.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.