Home / 14,100.20-19,459.49-8,133.84

Finding the Fourth Proportional to 14,100.20, 19,459.49 and 8,133.84

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Solution

The fourth proportional to 14,100.20, 19,459.49 and 8,133.84 is: 11,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.20 : 19,459.49 = 8,133.84 : x
  2. Step 2: Convert to fraction form
    14,100.20/19,459.49 = 8,133.84/x
  3. Step 3: Cross multiply
    14,100.20x = 19,459.49 × 8,133.84
  4. Step 4: Simplify right side
    14,100.20x = 158,280,337.47
  5. Step 5: Solve for x
    x = 158,280,337.47/14,100.20
  6. Step 6: Final answer
    x = 11,225.40

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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.