Home / 22,862.22-31,547.79-14,478.54

Finding the Fourth Proportional to 22,862.22, 31,547.79 and 14,478.54

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Solution

The fourth proportional to 22,862.22, 31,547.79 and 14,478.54 is: 19,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,862.22 : 31,547.79 = 14,478.54 : x
  2. Step 2: Convert to fraction form
    22,862.22/31,547.79 = 14,478.54/x
  3. Step 3: Cross multiply
    22,862.22x = 31,547.79 × 14,478.54
  4. Step 4: Simplify right side
    22,862.22x = 456,765,939.43
  5. Step 5: Solve for x
    x = 456,765,939.43/22,862.22
  6. Step 6: Final answer
    x = 19,979.07

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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.