Home / 15,360.39-23,040.43-7,038.04

Finding the Fourth Proportional to 15,360.39, 23,040.43 and 7,038.04

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Solution

The fourth proportional to 15,360.39, 23,040.43 and 7,038.04 is: 10,556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.39 : 23,040.43 = 7,038.04 : x
  2. Step 2: Convert to fraction form
    15,360.39/23,040.43 = 7,038.04/x
  3. Step 3: Cross multiply
    15,360.39x = 23,040.43 × 7,038.04
  4. Step 4: Simplify right side
    15,360.39x = 162,159,432.77
  5. Step 5: Solve for x
    x = 162,159,432.77/15,360.39
  6. Step 6: Final answer
    x = 10,556.99

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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.