Home / 23,979.06-35,971.65-12,870.51

Finding the Fourth Proportional to 23,979.06, 35,971.65 and 12,870.51

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Solution

The fourth proportional to 23,979.06, 35,971.65 and 12,870.51 is: 19,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.06 : 35,971.65 = 12,870.51 : x
  2. Step 2: Convert to fraction form
    23,979.06/35,971.65 = 12,870.51/x
  3. Step 3: Cross multiply
    23,979.06x = 35,971.65 × 12,870.51
  4. Step 4: Simplify right side
    23,979.06x = 462,973,481.04
  5. Step 5: Solve for x
    x = 462,973,481.04/23,979.06
  6. Step 6: Final answer
    x = 19,307.41

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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.