Home / 14,462.40-19,956.48-8,174.76

Finding the Fourth Proportional to 14,462.40, 19,956.48 and 8,174.76

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Solution

The fourth proportional to 14,462.40, 19,956.48 and 8,174.76 is: 11,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,462.40 : 19,956.48 = 8,174.76 : x
  2. Step 2: Convert to fraction form
    14,462.40/19,956.48 = 8,174.76/x
  3. Step 3: Cross multiply
    14,462.40x = 19,956.48 × 8,174.76
  4. Step 4: Simplify right side
    14,462.40x = 163,139,434.44
  5. Step 5: Solve for x
    x = 163,139,434.44/14,462.40
  6. Step 6: Final answer
    x = 11,280.25

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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.