Home / 22,210.77-33,154.11-19,408.20

Finding the Fourth Proportional to 22,210.77, 33,154.11 and 19,408.20

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Solution

The fourth proportional to 22,210.77, 33,154.11 and 19,408.20 is: 28,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.77 : 33,154.11 = 19,408.20 : x
  2. Step 2: Convert to fraction form
    22,210.77/33,154.11 = 19,408.20/x
  3. Step 3: Cross multiply
    22,210.77x = 33,154.11 × 19,408.20
  4. Step 4: Simplify right side
    22,210.77x = 643,461,597.70
  5. Step 5: Solve for x
    x = 643,461,597.70/22,210.77
  6. Step 6: Final answer
    x = 28,970.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.