Home / 13,744.04-18,963.60-9,276.08

Finding the Fourth Proportional to 13,744.04, 18,963.60 and 9,276.08

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Solution

The fourth proportional to 13,744.04, 18,963.60 and 9,276.08 is: 12,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.04 : 18,963.60 = 9,276.08 : x
  2. Step 2: Convert to fraction form
    13,744.04/18,963.60 = 9,276.08/x
  3. Step 3: Cross multiply
    13,744.04x = 18,963.60 × 9,276.08
  4. Step 4: Simplify right side
    13,744.04x = 175,907,870.69
  5. Step 5: Solve for x
    x = 175,907,870.69/13,744.04
  6. Step 6: Final answer
    x = 12,798.85

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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.