Home / 15,360.79-23,048.61-7,470.04

Finding the Fourth Proportional to 15,360.79, 23,048.61 and 7,470.04

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Solution

The fourth proportional to 15,360.79, 23,048.61 and 7,470.04 is: 11,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.79 : 23,048.61 = 7,470.04 : x
  2. Step 2: Convert to fraction form
    15,360.79/23,048.61 = 7,470.04/x
  3. Step 3: Cross multiply
    15,360.79x = 23,048.61 × 7,470.04
  4. Step 4: Simplify right side
    15,360.79x = 172,174,038.64
  5. Step 5: Solve for x
    x = 172,174,038.64/15,360.79
  6. Step 6: Final answer
    x = 11,208.67

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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.