Home / 14,102.20-21,153.30-5,337.40

Finding the Fourth Proportional to 14,102.20, 21,153.30 and 5,337.40

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Solution

The fourth proportional to 14,102.20, 21,153.30 and 5,337.40 is: 8,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.20 : 21,153.30 = 5,337.40 : x
  2. Step 2: Convert to fraction form
    14,102.20/21,153.30 = 5,337.40/x
  3. Step 3: Cross multiply
    14,102.20x = 21,153.30 × 5,337.40
  4. Step 4: Simplify right side
    14,102.20x = 112,903,623.42
  5. Step 5: Solve for x
    x = 112,903,623.42/14,102.20
  6. Step 6: Final answer
    x = 8,006.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.