Home / 22,617.96-31,214.36-12,547.36

Finding the Fourth Proportional to 22,617.96, 31,214.36 and 12,547.36

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Solution

The fourth proportional to 22,617.96, 31,214.36 and 12,547.36 is: 17,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.96 : 31,214.36 = 12,547.36 : x
  2. Step 2: Convert to fraction form
    22,617.96/31,214.36 = 12,547.36/x
  3. Step 3: Cross multiply
    22,617.96x = 31,214.36 × 12,547.36
  4. Step 4: Simplify right side
    22,617.96x = 391,657,812.09
  5. Step 5: Solve for x
    x = 391,657,812.09/22,617.96
  6. Step 6: Final answer
    x = 17,316.23

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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.