Home / 15,785.89-23,678.63-4,541.52

Finding the Fourth Proportional to 15,785.89, 23,678.63 and 4,541.52

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Solution

The fourth proportional to 15,785.89, 23,678.63 and 4,541.52 is: 6,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785.89 : 23,678.63 = 4,541.52 : x
  2. Step 2: Convert to fraction form
    15,785.89/23,678.63 = 4,541.52/x
  3. Step 3: Cross multiply
    15,785.89x = 23,678.63 × 4,541.52
  4. Step 4: Simplify right side
    15,785.89x = 107,536,921.64
  5. Step 5: Solve for x
    x = 107,536,921.64/15,785.89
  6. Step 6: Final answer
    x = 6,812.22

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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.