Home / 20,622.06-28,468.35-14,666.22

Finding the Fourth Proportional to 20,622.06, 28,468.35 and 14,666.22

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Solution

The fourth proportional to 20,622.06, 28,468.35 and 14,666.22 is: 20,246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,622.06 : 28,468.35 = 14,666.22 : x
  2. Step 2: Convert to fraction form
    20,622.06/28,468.35 = 14,666.22/x
  3. Step 3: Cross multiply
    20,622.06x = 28,468.35 × 14,666.22
  4. Step 4: Simplify right side
    20,622.06x = 417,523,084.14
  5. Step 5: Solve for x
    x = 417,523,084.14/20,622.06
  6. Step 6: Final answer
    x = 20,246.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.