Home / 14,276.10-19,700.61-7,902.96

Finding the Fourth Proportional to 14,276.10, 19,700.61 and 7,902.96

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Solution

The fourth proportional to 14,276.10, 19,700.61 and 7,902.96 is: 10,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.10 : 19,700.61 = 7,902.96 : x
  2. Step 2: Convert to fraction form
    14,276.10/19,700.61 = 7,902.96/x
  3. Step 3: Cross multiply
    14,276.10x = 19,700.61 × 7,902.96
  4. Step 4: Simplify right side
    14,276.10x = 155,693,132.81
  5. Step 5: Solve for x
    x = 155,693,132.81/14,276.10
  6. Step 6: Final answer
    x = 10,905.86

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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.