Home / 22,878.36-31,547.21-19,867.59

Finding the Fourth Proportional to 22,878.36, 31,547.21 and 19,867.59

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Solution

The fourth proportional to 22,878.36, 31,547.21 and 19,867.59 is: 27,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,878.36 : 31,547.21 = 19,867.59 : x
  2. Step 2: Convert to fraction form
    22,878.36/31,547.21 = 19,867.59/x
  3. Step 3: Cross multiply
    22,878.36x = 31,547.21 × 19,867.59
  4. Step 4: Simplify right side
    22,878.36x = 626,766,934.59
  5. Step 5: Solve for x
    x = 626,766,934.59/22,878.36
  6. Step 6: Final answer
    x = 27,395.62

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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.