Home / 22,281.84-30,744.15-13,210.07

Finding the Fourth Proportional to 22,281.84, 30,744.15 and 13,210.07

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Solution

The fourth proportional to 22,281.84, 30,744.15 and 13,210.07 is: 18,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.84 : 30,744.15 = 13,210.07 : x
  2. Step 2: Convert to fraction form
    22,281.84/30,744.15 = 13,210.07/x
  3. Step 3: Cross multiply
    22,281.84x = 30,744.15 × 13,210.07
  4. Step 4: Simplify right side
    22,281.84x = 406,132,219.87
  5. Step 5: Solve for x
    x = 406,132,219.87/22,281.84
  6. Step 6: Final answer
    x = 18,227.05

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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.