Home / 19,117.67-26,381.49-10,620.34

Finding the Fourth Proportional to 19,117.67, 26,381.49 and 10,620.34

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Solution

The fourth proportional to 19,117.67, 26,381.49 and 10,620.34 is: 14,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.67 : 26,381.49 = 10,620.34 : x
  2. Step 2: Convert to fraction form
    19,117.67/26,381.49 = 10,620.34/x
  3. Step 3: Cross multiply
    19,117.67x = 26,381.49 × 10,620.34
  4. Step 4: Simplify right side
    19,117.67x = 280,180,287.73
  5. Step 5: Solve for x
    x = 280,180,287.73/19,117.67
  6. Step 6: Final answer
    x = 14,655.57

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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.