Home / 22,946.14-31,661.85-15,405.04

Finding the Fourth Proportional to 22,946.14, 31,661.85 and 15,405.04

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Solution

The fourth proportional to 22,946.14, 31,661.85 and 15,405.04 is: 21,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,946.14 : 31,661.85 = 15,405.04 : x
  2. Step 2: Convert to fraction form
    22,946.14/31,661.85 = 15,405.04/x
  3. Step 3: Cross multiply
    22,946.14x = 31,661.85 × 15,405.04
  4. Step 4: Simplify right side
    22,946.14x = 487,752,065.72
  5. Step 5: Solve for x
    x = 487,752,065.72/22,946.14
  6. Step 6: Final answer
    x = 21,256.39

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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.