Home / 22,547.36-31,120.26-13,117.16

Finding the Fourth Proportional to 22,547.36, 31,120.26 and 13,117.16

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Solution

The fourth proportional to 22,547.36, 31,120.26 and 13,117.16 is: 18,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,547.36 : 31,120.26 = 13,117.16 : x
  2. Step 2: Convert to fraction form
    22,547.36/31,120.26 = 13,117.16/x
  3. Step 3: Cross multiply
    22,547.36x = 31,120.26 × 13,117.16
  4. Step 4: Simplify right side
    22,547.36x = 408,209,429.66
  5. Step 5: Solve for x
    x = 408,209,429.66/22,547.36
  6. Step 6: Final answer
    x = 18,104.53

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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.