Home / 20,393.04-30,577.32-7,061.64

Finding the Fourth Proportional to 20,393.04, 30,577.32 and 7,061.64

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Solution

The fourth proportional to 20,393.04, 30,577.32 and 7,061.64 is: 10,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393.04 : 30,577.32 = 7,061.64 : x
  2. Step 2: Convert to fraction form
    20,393.04/30,577.32 = 7,061.64/x
  3. Step 3: Cross multiply
    20,393.04x = 30,577.32 × 7,061.64
  4. Step 4: Simplify right side
    20,393.04x = 215,926,026.00
  5. Step 5: Solve for x
    x = 215,926,026.00/20,393.04
  6. Step 6: Final answer
    x = 10,588.22

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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.