Home / 15,417.28-23,112.05-5,549.63

Finding the Fourth Proportional to 15,417.28, 23,112.05 and 5,549.63

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Solution

The fourth proportional to 15,417.28, 23,112.05 and 5,549.63 is: 8,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.28 : 23,112.05 = 5,549.63 : x
  2. Step 2: Convert to fraction form
    15,417.28/23,112.05 = 5,549.63/x
  3. Step 3: Cross multiply
    15,417.28x = 23,112.05 × 5,549.63
  4. Step 4: Simplify right side
    15,417.28x = 128,263,213.95
  5. Step 5: Solve for x
    x = 128,263,213.95/15,417.28
  6. Step 6: Final answer
    x = 8,319.44

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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.