Home / 15,757.95-23,636.84-9,090.13

Finding the Fourth Proportional to 15,757.95, 23,636.84 and 9,090.13

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Solution

The fourth proportional to 15,757.95, 23,636.84 and 9,090.13 is: 13,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,757.95 : 23,636.84 = 9,090.13 : x
  2. Step 2: Convert to fraction form
    15,757.95/23,636.84 = 9,090.13/x
  3. Step 3: Cross multiply
    15,757.95x = 23,636.84 × 9,090.13
  4. Step 4: Simplify right side
    15,757.95x = 214,861,948.39
  5. Step 5: Solve for x
    x = 214,861,948.39/15,757.95
  6. Step 6: Final answer
    x = 13,635.15

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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.