Home / 22,073.14-30,465.33-13,118.89

Finding the Fourth Proportional to 22,073.14, 30,465.33 and 13,118.89

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Solution

The fourth proportional to 22,073.14, 30,465.33 and 13,118.89 is: 18,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,073.14 : 30,465.33 = 13,118.89 : x
  2. Step 2: Convert to fraction form
    22,073.14/30,465.33 = 13,118.89/x
  3. Step 3: Cross multiply
    22,073.14x = 30,465.33 × 13,118.89
  4. Step 4: Simplify right side
    22,073.14x = 399,671,313.08
  5. Step 5: Solve for x
    x = 399,671,313.08/22,073.14
  6. Step 6: Final answer
    x = 18,106.68

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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.