Home / 13,870.17-20,802.59-5,974.04

Finding the Fourth Proportional to 13,870.17, 20,802.59 and 5,974.04

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Solution

The fourth proportional to 13,870.17, 20,802.59 and 5,974.04 is: 8,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.17 : 20,802.59 = 5,974.04 : x
  2. Step 2: Convert to fraction form
    13,870.17/20,802.59 = 5,974.04/x
  3. Step 3: Cross multiply
    13,870.17x = 20,802.59 × 5,974.04
  4. Step 4: Simplify right side
    13,870.17x = 124,275,474.89
  5. Step 5: Solve for x
    x = 124,275,474.89/13,870.17
  6. Step 6: Final answer
    x = 8,959.91

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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.