Home / 13,734.04-18,949.80-9,266.08

Finding the Fourth Proportional to 13,734.04, 18,949.80 and 9,266.08

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Solution

The fourth proportional to 13,734.04, 18,949.80 and 9,266.08 is: 12,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.04 : 18,949.80 = 9,266.08 : x
  2. Step 2: Convert to fraction form
    13,734.04/18,949.80 = 9,266.08/x
  3. Step 3: Cross multiply
    13,734.04x = 18,949.80 × 9,266.08
  4. Step 4: Simplify right side
    13,734.04x = 175,590,362.78
  5. Step 5: Solve for x
    x = 175,590,362.78/13,734.04
  6. Step 6: Final answer
    x = 12,785.05

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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.