Home / 22,260.84-30,740.79-14,316.87

Finding the Fourth Proportional to 22,260.84, 30,740.79 and 14,316.87

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Solution

The fourth proportional to 22,260.84, 30,740.79 and 14,316.87 is: 19,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.84 : 30,740.79 = 14,316.87 : x
  2. Step 2: Convert to fraction form
    22,260.84/30,740.79 = 14,316.87/x
  3. Step 3: Cross multiply
    22,260.84x = 30,740.79 × 14,316.87
  4. Step 4: Simplify right side
    22,260.84x = 440,111,894.13
  5. Step 5: Solve for x
    x = 440,111,894.13/22,260.84
  6. Step 6: Final answer
    x = 19,770.68

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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.