Home / 15,360.06-23,043.75-4,971.81

Finding the Fourth Proportional to 15,360.06, 23,043.75 and 4,971.81

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Solution

The fourth proportional to 15,360.06, 23,043.75 and 4,971.81 is: 7,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.06 : 23,043.75 = 4,971.81 : x
  2. Step 2: Convert to fraction form
    15,360.06/23,043.75 = 4,971.81/x
  3. Step 3: Cross multiply
    15,360.06x = 23,043.75 × 4,971.81
  4. Step 4: Simplify right side
    15,360.06x = 114,569,146.69
  5. Step 5: Solve for x
    x = 114,569,146.69/15,360.06
  6. Step 6: Final answer
    x = 7,458.90

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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.