Home / 15,412.68-23,113.55-5,549.31

Finding the Fourth Proportional to 15,412.68, 23,113.55 and 5,549.31

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Solution

The fourth proportional to 15,412.68, 23,113.55 and 5,549.31 is: 8,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.68 : 23,113.55 = 5,549.31 : x
  2. Step 2: Convert to fraction form
    15,412.68/23,113.55 = 5,549.31/x
  3. Step 3: Cross multiply
    15,412.68x = 23,113.55 × 5,549.31
  4. Step 4: Simplify right side
    15,412.68x = 128,264,254.15
  5. Step 5: Solve for x
    x = 128,264,254.15/15,412.68
  6. Step 6: Final answer
    x = 8,322.00

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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.