Home / 13,604.60-18,781.00-10,572.57

Finding the Fourth Proportional to 13,604.60, 18,781.00 and 10,572.57

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Solution

The fourth proportional to 13,604.60, 18,781.00 and 10,572.57 is: 14,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.60 : 18,781.00 = 10,572.57 : x
  2. Step 2: Convert to fraction form
    13,604.60/18,781.00 = 10,572.57/x
  3. Step 3: Cross multiply
    13,604.60x = 18,781.00 × 10,572.57
  4. Step 4: Simplify right side
    13,604.60x = 198,563,410.74
  5. Step 5: Solve for x
    x = 198,563,410.74/13,604.60
  6. Step 6: Final answer
    x = 14,595.31

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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.