Home / 22,788.19-31,443-13,095.77

Finding the Fourth Proportional to 22,788.19, 31,443 and 13,095.77

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Solution

The fourth proportional to 22,788.19, 31,443 and 13,095.77 is: 18,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,788.19 : 31,443 = 13,095.77 : x
  2. Step 2: Convert to fraction form
    22,788.19/31,443 = 13,095.77/x
  3. Step 3: Cross multiply
    22,788.19x = 31,443 × 13,095.77
  4. Step 4: Simplify right side
    22,788.19x = 411,770,296.11
  5. Step 5: Solve for x
    x = 411,770,296.11/22,788.19
  6. Step 6: Final answer
    x = 18,069.46

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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.