Home / 13,547.02-20,304.92-5,222.88

Finding the Fourth Proportional to 13,547.02, 20,304.92 and 5,222.88

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Solution

The fourth proportional to 13,547.02, 20,304.92 and 5,222.88 is: 7,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.02 : 20,304.92 = 5,222.88 : x
  2. Step 2: Convert to fraction form
    13,547.02/20,304.92 = 5,222.88/x
  3. Step 3: Cross multiply
    13,547.02x = 20,304.92 × 5,222.88
  4. Step 4: Simplify right side
    13,547.02x = 106,050,160.57
  5. Step 5: Solve for x
    x = 106,050,160.57/13,547.02
  6. Step 6: Final answer
    x = 7,828.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.