Home / 25,718.46-38,580.80-9,075.08

Finding the Fourth Proportional to 25,718.46, 38,580.80 and 9,075.08

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Solution

The fourth proportional to 25,718.46, 38,580.80 and 9,075.08 is: 13,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.46 : 38,580.80 = 9,075.08 : x
  2. Step 2: Convert to fraction form
    25,718.46/38,580.80 = 9,075.08/x
  3. Step 3: Cross multiply
    25,718.46x = 38,580.80 × 9,075.08
  4. Step 4: Simplify right side
    25,718.46x = 350,123,608.18
  5. Step 5: Solve for x
    x = 350,123,608.18/25,718.46
  6. Step 6: Final answer
    x = 13,613.71

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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.