Home / 17,421.12-26,112.23-7,545.60

Finding the Fourth Proportional to 17,421.12, 26,112.23 and 7,545.60

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Solution

The fourth proportional to 17,421.12, 26,112.23 and 7,545.60 is: 11,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.12 : 26,112.23 = 7,545.60 : x
  2. Step 2: Convert to fraction form
    17,421.12/26,112.23 = 7,545.60/x
  3. Step 3: Cross multiply
    17,421.12x = 26,112.23 × 7,545.60
  4. Step 4: Simplify right side
    17,421.12x = 197,032,442.69
  5. Step 5: Solve for x
    x = 197,032,442.69/17,421.12
  6. Step 6: Final answer
    x = 11,309.98

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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.