Home / 20,583.95-30,888.92-10,730.15

Finding the Fourth Proportional to 20,583.95, 30,888.92 and 10,730.15

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Solution

The fourth proportional to 20,583.95, 30,888.92 and 10,730.15 is: 16,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.95 : 30,888.92 = 10,730.15 : x
  2. Step 2: Convert to fraction form
    20,583.95/30,888.92 = 10,730.15/x
  3. Step 3: Cross multiply
    20,583.95x = 30,888.92 × 10,730.15
  4. Step 4: Simplify right side
    20,583.95x = 331,442,691.29
  5. Step 5: Solve for x
    x = 331,442,691.29/20,583.95
  6. Step 6: Final answer
    x = 16,102.00

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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.