Home / 22,614.81-31,210.55-13,055.01

Finding the Fourth Proportional to 22,614.81, 31,210.55 and 13,055.01

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Solution

The fourth proportional to 22,614.81, 31,210.55 and 13,055.01 is: 18,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,614.81 : 31,210.55 = 13,055.01 : x
  2. Step 2: Convert to fraction form
    22,614.81/31,210.55 = 13,055.01/x
  3. Step 3: Cross multiply
    22,614.81x = 31,210.55 × 13,055.01
  4. Step 4: Simplify right side
    22,614.81x = 407,454,042.36
  5. Step 5: Solve for x
    x = 407,454,042.36/22,614.81
  6. Step 6: Final answer
    x = 18,017.13

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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.