Home / 22,699.62-31,320.54-13,263.84

Finding the Fourth Proportional to 22,699.62, 31,320.54 and 13,263.84

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Solution

The fourth proportional to 22,699.62, 31,320.54 and 13,263.84 is: 18,301.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.62 : 31,320.54 = 13,263.84 : x
  2. Step 2: Convert to fraction form
    22,699.62/31,320.54 = 13,263.84/x
  3. Step 3: Cross multiply
    22,699.62x = 31,320.54 × 13,263.84
  4. Step 4: Simplify right side
    22,699.62x = 415,430,631.27
  5. Step 5: Solve for x
    x = 415,430,631.27/22,699.62
  6. Step 6: Final answer
    x = 18,301.22

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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.