Home / 13,133.04-19,708.80-11,878.24

Finding the Fourth Proportional to 13,133.04, 19,708.80 and 11,878.24

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Solution

The fourth proportional to 13,133.04, 19,708.80 and 11,878.24 is: 17,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.04 : 19,708.80 = 11,878.24 : x
  2. Step 2: Convert to fraction form
    13,133.04/19,708.80 = 11,878.24/x
  3. Step 3: Cross multiply
    13,133.04x = 19,708.80 × 11,878.24
  4. Step 4: Simplify right side
    13,133.04x = 234,105,856.51
  5. Step 5: Solve for x
    x = 234,105,856.51/13,133.04
  6. Step 6: Final answer
    x = 17,825.72

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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.