Home / 20,659.08-30,988.92-5,868.02

Finding the Fourth Proportional to 20,659.08, 30,988.92 and 5,868.02

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Solution

The fourth proportional to 20,659.08, 30,988.92 and 5,868.02 is: 8,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659.08 : 30,988.92 = 5,868.02 : x
  2. Step 2: Convert to fraction form
    20,659.08/30,988.92 = 5,868.02/x
  3. Step 3: Cross multiply
    20,659.08x = 30,988.92 × 5,868.02
  4. Step 4: Simplify right side
    20,659.08x = 181,843,602.34
  5. Step 5: Solve for x
    x = 181,843,602.34/20,659.08
  6. Step 6: Final answer
    x = 8,802.12

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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.