Home / 22,619.16-31,214.52-12,547.80

Finding the Fourth Proportional to 22,619.16, 31,214.52 and 12,547.80

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Solution

The fourth proportional to 22,619.16, 31,214.52 and 12,547.80 is: 17,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.16 : 31,214.52 = 12,547.80 : x
  2. Step 2: Convert to fraction form
    22,619.16/31,214.52 = 12,547.80/x
  3. Step 3: Cross multiply
    22,619.16x = 31,214.52 × 12,547.80
  4. Step 4: Simplify right side
    22,619.16x = 391,673,554.06
  5. Step 5: Solve for x
    x = 391,673,554.06/22,619.16
  6. Step 6: Final answer
    x = 17,316.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.