Home / 22,425.18-30,944.42-13,809.99

Finding the Fourth Proportional to 22,425.18, 30,944.42 and 13,809.99

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Solution

The fourth proportional to 22,425.18, 30,944.42 and 13,809.99 is: 19,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,425.18 : 30,944.42 = 13,809.99 : x
  2. Step 2: Convert to fraction form
    22,425.18/30,944.42 = 13,809.99/x
  3. Step 3: Cross multiply
    22,425.18x = 30,944.42 × 13,809.99
  4. Step 4: Simplify right side
    22,425.18x = 427,342,061.71
  5. Step 5: Solve for x
    x = 427,342,061.71/22,425.18
  6. Step 6: Final answer
    x = 19,056.35

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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.