Home / 15,812.54-23,722.20-4,720.10

Finding the Fourth Proportional to 15,812.54, 23,722.20 and 4,720.10

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Solution

The fourth proportional to 15,812.54, 23,722.20 and 4,720.10 is: 7,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812.54 : 23,722.20 = 4,720.10 : x
  2. Step 2: Convert to fraction form
    15,812.54/23,722.20 = 4,720.10/x
  3. Step 3: Cross multiply
    15,812.54x = 23,722.20 × 4,720.10
  4. Step 4: Simplify right side
    15,812.54x = 111,971,156.22
  5. Step 5: Solve for x
    x = 111,971,156.22/15,812.54
  6. Step 6: Final answer
    x = 7,081.16

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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.