Home / 13,769.76-19,002.56-7,482.08

Finding the Fourth Proportional to 13,769.76, 19,002.56 and 7,482.08

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Solution

The fourth proportional to 13,769.76, 19,002.56 and 7,482.08 is: 10,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.76 : 19,002.56 = 7,482.08 : x
  2. Step 2: Convert to fraction form
    13,769.76/19,002.56 = 7,482.08/x
  3. Step 3: Cross multiply
    13,769.76x = 19,002.56 × 7,482.08
  4. Step 4: Simplify right side
    13,769.76x = 142,178,674.12
  5. Step 5: Solve for x
    x = 142,178,674.12/13,769.76
  6. Step 6: Final answer
    x = 10,325.43

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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.