Home / 13,008.40-19,507.74-4,686.26

Finding the Fourth Proportional to 13,008.40, 19,507.74 and 4,686.26

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Solution

The fourth proportional to 13,008.40, 19,507.74 and 4,686.26 is: 7,027.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.40 : 19,507.74 = 4,686.26 : x
  2. Step 2: Convert to fraction form
    13,008.40/19,507.74 = 4,686.26/x
  3. Step 3: Cross multiply
    13,008.40x = 19,507.74 × 4,686.26
  4. Step 4: Simplify right side
    13,008.40x = 91,418,226.54
  5. Step 5: Solve for x
    x = 91,418,226.54/13,008.40
  6. Step 6: Final answer
    x = 7,027.63

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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.