Home / 14,542.10-20,026.15-13,877.80

Finding the Fourth Proportional to 14,542.10, 20,026.15 and 13,877.80

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Solution

The fourth proportional to 14,542.10, 20,026.15 and 13,877.80 is: 19,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.10 : 20,026.15 = 13,877.80 : x
  2. Step 2: Convert to fraction form
    14,542.10/20,026.15 = 13,877.80/x
  3. Step 3: Cross multiply
    14,542.10x = 20,026.15 × 13,877.80
  4. Step 4: Simplify right side
    14,542.10x = 277,918,894.81
  5. Step 5: Solve for x
    x = 277,918,894.81/14,542.10
  6. Step 6: Final answer
    x = 19,111.33

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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.