Home / 14,484.28-19,988.74-8,196.52

Finding the Fourth Proportional to 14,484.28, 19,988.74 and 8,196.52

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Solution

The fourth proportional to 14,484.28, 19,988.74 and 8,196.52 is: 11,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.28 : 19,988.74 = 8,196.52 : x
  2. Step 2: Convert to fraction form
    14,484.28/19,988.74 = 8,196.52/x
  3. Step 3: Cross multiply
    14,484.28x = 19,988.74 × 8,196.52
  4. Step 4: Simplify right side
    14,484.28x = 163,838,107.18
  5. Step 5: Solve for x
    x = 163,838,107.18/14,484.28
  6. Step 6: Final answer
    x = 11,311.44

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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.