Home / 20,646.06-28,461.69-14,675.55

Finding the Fourth Proportional to 20,646.06, 28,461.69 and 14,675.55

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Solution

The fourth proportional to 20,646.06, 28,461.69 and 14,675.55 is: 20,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646.06 : 28,461.69 = 14,675.55 : x
  2. Step 2: Convert to fraction form
    20,646.06/28,461.69 = 14,675.55/x
  3. Step 3: Cross multiply
    20,646.06x = 28,461.69 × 14,675.55
  4. Step 4: Simplify right side
    20,646.06x = 417,690,954.68
  5. Step 5: Solve for x
    x = 417,690,954.68/20,646.06
  6. Step 6: Final answer
    x = 20,231.02

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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.