Home / 22,616.80-31,210.66-13,055.92

Finding the Fourth Proportional to 22,616.80, 31,210.66 and 13,055.92

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Solution

The fourth proportional to 22,616.80, 31,210.66 and 13,055.92 is: 18,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.80 : 31,210.66 = 13,055.92 : x
  2. Step 2: Convert to fraction form
    22,616.80/31,210.66 = 13,055.92/x
  3. Step 3: Cross multiply
    22,616.80x = 31,210.66 × 13,055.92
  4. Step 4: Simplify right side
    22,616.80x = 407,483,880.11
  5. Step 5: Solve for x
    x = 407,483,880.11/22,616.80
  6. Step 6: Final answer
    x = 18,016.87

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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.