Home / 14,459.52-19,953.60-8,171.76

Finding the Fourth Proportional to 14,459.52, 19,953.60 and 8,171.76

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Solution

The fourth proportional to 14,459.52, 19,953.60 and 8,171.76 is: 11,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.52 : 19,953.60 = 8,171.76 : x
  2. Step 2: Convert to fraction form
    14,459.52/19,953.60 = 8,171.76/x
  3. Step 3: Cross multiply
    14,459.52x = 19,953.60 × 8,171.76
  4. Step 4: Simplify right side
    14,459.52x = 163,056,030.34
  5. Step 5: Solve for x
    x = 163,056,030.34/14,459.52
  6. Step 6: Final answer
    x = 11,276.72

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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.