Home / 13,012.40-19,501.58-5,226.68

Finding the Fourth Proportional to 13,012.40, 19,501.58 and 5,226.68

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Solution

The fourth proportional to 13,012.40, 19,501.58 and 5,226.68 is: 7,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.40 : 19,501.58 = 5,226.68 : x
  2. Step 2: Convert to fraction form
    13,012.40/19,501.58 = 5,226.68/x
  3. Step 3: Cross multiply
    13,012.40x = 19,501.58 × 5,226.68
  4. Step 4: Simplify right side
    13,012.40x = 101,928,518.15
  5. Step 5: Solve for x
    x = 101,928,518.15/13,012.40
  6. Step 6: Final answer
    x = 7,833.18

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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.