Home / 18,512.35-25,547.06-10,554.64

Finding the Fourth Proportional to 18,512.35, 25,547.06 and 10,554.64

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Solution

The fourth proportional to 18,512.35, 25,547.06 and 10,554.64 is: 14,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.35 : 25,547.06 = 10,554.64 : x
  2. Step 2: Convert to fraction form
    18,512.35/25,547.06 = 10,554.64/x
  3. Step 3: Cross multiply
    18,512.35x = 25,547.06 × 10,554.64
  4. Step 4: Simplify right side
    18,512.35x = 269,639,983.88
  5. Step 5: Solve for x
    x = 269,639,983.88/18,512.35
  6. Step 6: Final answer
    x = 14,565.41

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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.