Home / 17,722.60-26,562.30-7,851.40

Finding the Fourth Proportional to 17,722.60, 26,562.30 and 7,851.40

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Solution

The fourth proportional to 17,722.60, 26,562.30 and 7,851.40 is: 11,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.60 : 26,562.30 = 7,851.40 : x
  2. Step 2: Convert to fraction form
    17,722.60/26,562.30 = 7,851.40/x
  3. Step 3: Cross multiply
    17,722.60x = 26,562.30 × 7,851.40
  4. Step 4: Simplify right side
    17,722.60x = 208,551,242.22
  5. Step 5: Solve for x
    x = 208,551,242.22/17,722.60
  6. Step 6: Final answer
    x = 11,767.53

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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.