Home / 13,266.12-19,901.58-5,470.68

Finding the Fourth Proportional to 13,266.12, 19,901.58 and 5,470.68

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Solution

The fourth proportional to 13,266.12, 19,901.58 and 5,470.68 is: 8,207.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.12 : 19,901.58 = 5,470.68 : x
  2. Step 2: Convert to fraction form
    13,266.12/19,901.58 = 5,470.68/x
  3. Step 3: Cross multiply
    13,266.12x = 19,901.58 × 5,470.68
  4. Step 4: Simplify right side
    13,266.12x = 108,875,175.67
  5. Step 5: Solve for x
    x = 108,875,175.67/13,266.12
  6. Step 6: Final answer
    x = 8,207.01

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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.