Home / 22,518.33-31,002.64-18,532.59

Finding the Fourth Proportional to 22,518.33, 31,002.64 and 18,532.59

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Solution

The fourth proportional to 22,518.33, 31,002.64 and 18,532.59 is: 25,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.33 : 31,002.64 = 18,532.59 : x
  2. Step 2: Convert to fraction form
    22,518.33/31,002.64 = 18,532.59/x
  3. Step 3: Cross multiply
    22,518.33x = 31,002.64 × 18,532.59
  4. Step 4: Simplify right side
    22,518.33x = 574,559,216.04
  5. Step 5: Solve for x
    x = 574,559,216.04/22,518.33
  6. Step 6: Final answer
    x = 25,515.18

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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.