Home / 17,742.59-26,609.35-5,259.70

Finding the Fourth Proportional to 17,742.59, 26,609.35 and 5,259.70

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Solution

The fourth proportional to 17,742.59, 26,609.35 and 5,259.70 is: 7,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.59 : 26,609.35 = 5,259.70 : x
  2. Step 2: Convert to fraction form
    17,742.59/26,609.35 = 5,259.70/x
  3. Step 3: Cross multiply
    17,742.59x = 26,609.35 × 5,259.70
  4. Step 4: Simplify right side
    17,742.59x = 139,957,038.85
  5. Step 5: Solve for x
    x = 139,957,038.85/17,742.59
  6. Step 6: Final answer
    x = 7,888.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.