Home / 25,718.59-38,580.99-9,075.21

Finding the Fourth Proportional to 25,718.59, 38,580.99 and 9,075.21

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Solution

The fourth proportional to 25,718.59, 38,580.99 and 9,075.21 is: 13,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.59 : 38,580.99 = 9,075.21 : x
  2. Step 2: Convert to fraction form
    25,718.59/38,580.99 = 9,075.21/x
  3. Step 3: Cross multiply
    25,718.59x = 38,580.99 × 9,075.21
  4. Step 4: Simplify right side
    25,718.59x = 350,130,586.26
  5. Step 5: Solve for x
    x = 350,130,586.26/25,718.59
  6. Step 6: Final answer
    x = 13,613.91

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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.