Home / 23,031.87-34,368.18-20,549.63

Finding the Fourth Proportional to 23,031.87, 34,368.18 and 20,549.63

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Solution

The fourth proportional to 23,031.87, 34,368.18 and 20,549.63 is: 30,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,031.87 : 34,368.18 = 20,549.63 : x
  2. Step 2: Convert to fraction form
    23,031.87/34,368.18 = 20,549.63/x
  3. Step 3: Cross multiply
    23,031.87x = 34,368.18 × 20,549.63
  4. Step 4: Simplify right side
    23,031.87x = 706,253,382.77
  5. Step 5: Solve for x
    x = 706,253,382.77/23,031.87
  6. Step 6: Final answer
    x = 30,664.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.