Home / 18,512.92-25,547.61-10,555.12

Finding the Fourth Proportional to 18,512.92, 25,547.61 and 10,555.12

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Solution

The fourth proportional to 18,512.92, 25,547.61 and 10,555.12 is: 14,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.92 : 25,547.61 = 10,555.12 : x
  2. Step 2: Convert to fraction form
    18,512.92/25,547.61 = 10,555.12/x
  3. Step 3: Cross multiply
    18,512.92x = 25,547.61 × 10,555.12
  4. Step 4: Simplify right side
    18,512.92x = 269,658,089.26
  5. Step 5: Solve for x
    x = 269,658,089.26/18,512.92
  6. Step 6: Final answer
    x = 14,565.94

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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.