Home / 13,547.49-18,698.46-8,244.02

Finding the Fourth Proportional to 13,547.49, 18,698.46 and 8,244.02

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Solution

The fourth proportional to 13,547.49, 18,698.46 and 8,244.02 is: 11,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.49 : 18,698.46 = 8,244.02 : x
  2. Step 2: Convert to fraction form
    13,547.49/18,698.46 = 8,244.02/x
  3. Step 3: Cross multiply
    13,547.49x = 18,698.46 × 8,244.02
  4. Step 4: Simplify right side
    13,547.49x = 154,150,384.72
  5. Step 5: Solve for x
    x = 154,150,384.72/13,547.49
  6. Step 6: Final answer
    x = 11,378.52

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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.