Home / 20,673.01-28,531.65-14,949.06

Finding the Fourth Proportional to 20,673.01, 28,531.65 and 14,949.06

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Solution

The fourth proportional to 20,673.01, 28,531.65 and 14,949.06 is: 20,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.01 : 28,531.65 = 14,949.06 : x
  2. Step 2: Convert to fraction form
    20,673.01/28,531.65 = 14,949.06/x
  3. Step 3: Cross multiply
    20,673.01x = 28,531.65 × 14,949.06
  4. Step 4: Simplify right side
    20,673.01x = 426,521,347.75
  5. Step 5: Solve for x
    x = 426,521,347.75/20,673.01
  6. Step 6: Final answer
    x = 20,631.80

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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.