Home / 15,314.74-22,972.10-4,785.67

Finding the Fourth Proportional to 15,314.74, 22,972.10 and 4,785.67

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Solution

The fourth proportional to 15,314.74, 22,972.10 and 4,785.67 is: 7,178.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.74 : 22,972.10 = 4,785.67 : x
  2. Step 2: Convert to fraction form
    15,314.74/22,972.10 = 4,785.67/x
  3. Step 3: Cross multiply
    15,314.74x = 22,972.10 × 4,785.67
  4. Step 4: Simplify right side
    15,314.74x = 109,936,889.81
  5. Step 5: Solve for x
    x = 109,936,889.81/15,314.74
  6. Step 6: Final answer
    x = 7,178.50

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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.