Home / 16,148.88-22,237.20-14,972.76

Finding the Fourth Proportional to 16,148.88, 22,237.20 and 14,972.76

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Solution

The fourth proportional to 16,148.88, 22,237.20 and 14,972.76 is: 20,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,148.88 : 22,237.20 = 14,972.76 : x
  2. Step 2: Convert to fraction form
    16,148.88/22,237.20 = 14,972.76/x
  3. Step 3: Cross multiply
    16,148.88x = 22,237.20 × 14,972.76
  4. Step 4: Simplify right side
    16,148.88x = 332,952,258.67
  5. Step 5: Solve for x
    x = 332,952,258.67/16,148.88
  6. Step 6: Final answer
    x = 20,617.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.