Home / 14,042.04-19,378.08-7,754.64

Finding the Fourth Proportional to 14,042.04, 19,378.08 and 7,754.64

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Solution

The fourth proportional to 14,042.04, 19,378.08 and 7,754.64 is: 10,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.04 : 19,378.08 = 7,754.64 : x
  2. Step 2: Convert to fraction form
    14,042.04/19,378.08 = 7,754.64/x
  3. Step 3: Cross multiply
    14,042.04x = 19,378.08 × 7,754.64
  4. Step 4: Simplify right side
    14,042.04x = 150,270,034.29
  5. Step 5: Solve for x
    x = 150,270,034.29/14,042.04
  6. Step 6: Final answer
    x = 10,701.44

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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.