Home / 15,812.12-23,742.84-15,111.02

Finding the Fourth Proportional to 15,812.12, 23,742.84 and 15,111.02

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Solution

The fourth proportional to 15,812.12, 23,742.84 and 15,111.02 is: 22,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812.12 : 23,742.84 = 15,111.02 : x
  2. Step 2: Convert to fraction form
    15,812.12/23,742.84 = 15,111.02/x
  3. Step 3: Cross multiply
    15,812.12x = 23,742.84 × 15,111.02
  4. Step 4: Simplify right side
    15,812.12x = 358,778,530.10
  5. Step 5: Solve for x
    x = 358,778,530.10/15,812.12
  6. Step 6: Final answer
    x = 22,690.10

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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.