Home / 13,588.62-18,752.07-7,926.66

Finding the Fourth Proportional to 13,588.62, 18,752.07 and 7,926.66

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Solution

The fourth proportional to 13,588.62, 18,752.07 and 7,926.66 is: 10,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.62 : 18,752.07 = 7,926.66 : x
  2. Step 2: Convert to fraction form
    13,588.62/18,752.07 = 7,926.66/x
  3. Step 3: Cross multiply
    13,588.62x = 18,752.07 × 7,926.66
  4. Step 4: Simplify right side
    13,588.62x = 148,641,283.19
  5. Step 5: Solve for x
    x = 148,641,283.19/13,588.62
  6. Step 6: Final answer
    x = 10,938.66

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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.