Home / 20,566.59-30,808.77-9,458.05

Finding the Fourth Proportional to 20,566.59, 30,808.77 and 9,458.05

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Solution

The fourth proportional to 20,566.59, 30,808.77 and 9,458.05 is: 14,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.59 : 30,808.77 = 9,458.05 : x
  2. Step 2: Convert to fraction form
    20,566.59/30,808.77 = 9,458.05/x
  3. Step 3: Cross multiply
    20,566.59x = 30,808.77 × 9,458.05
  4. Step 4: Simplify right side
    20,566.59x = 291,390,887.10
  5. Step 5: Solve for x
    x = 291,390,887.10/20,566.59
  6. Step 6: Final answer
    x = 14,168.17

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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.