Home / 18,512.96-25,547.24-10,557.74

Finding the Fourth Proportional to 18,512.96, 25,547.24 and 10,557.74

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Solution

The fourth proportional to 18,512.96, 25,547.24 and 10,557.74 is: 14,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.96 : 25,547.24 = 10,557.74 : x
  2. Step 2: Convert to fraction form
    18,512.96/25,547.24 = 10,557.74/x
  3. Step 3: Cross multiply
    18,512.96x = 25,547.24 × 10,557.74
  4. Step 4: Simplify right side
    18,512.96x = 269,721,144.03
  5. Step 5: Solve for x
    x = 269,721,144.03/18,512.96
  6. Step 6: Final answer
    x = 14,569.32

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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.