Home / 13,547.75-18,698.79-8,244.27

Finding the Fourth Proportional to 13,547.75, 18,698.79 and 8,244.27

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Solution

The fourth proportional to 13,547.75, 18,698.79 and 8,244.27 is: 11,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.75 : 18,698.79 = 8,244.27 : x
  2. Step 2: Convert to fraction form
    13,547.75/18,698.79 = 8,244.27/x
  3. Step 3: Cross multiply
    13,547.75x = 18,698.79 × 8,244.27
  4. Step 4: Simplify right side
    13,547.75x = 154,157,873.43
  5. Step 5: Solve for x
    x = 154,157,873.43/13,547.75
  6. Step 6: Final answer
    x = 11,378.86

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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.