Home / 18,512.83-25,547.07-10,557.62

Finding the Fourth Proportional to 18,512.83, 25,547.07 and 10,557.62

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Solution

The fourth proportional to 18,512.83, 25,547.07 and 10,557.62 is: 14,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.83 : 25,547.07 = 10,557.62 : x
  2. Step 2: Convert to fraction form
    18,512.83/25,547.07 = 10,557.62/x
  3. Step 3: Cross multiply
    18,512.83x = 25,547.07 × 10,557.62
  4. Step 4: Simplify right side
    18,512.83x = 269,716,257.17
  5. Step 5: Solve for x
    x = 269,716,257.17/18,512.83
  6. Step 6: Final answer
    x = 14,569.15

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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.