Home / 14,275.38-19,700.98-7,903.02

Finding the Fourth Proportional to 14,275.38, 19,700.98 and 7,903.02

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Solution

The fourth proportional to 14,275.38, 19,700.98 and 7,903.02 is: 10,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.38 : 19,700.98 = 7,903.02 : x
  2. Step 2: Convert to fraction form
    14,275.38/19,700.98 = 7,903.02/x
  3. Step 3: Cross multiply
    14,275.38x = 19,700.98 × 7,903.02
  4. Step 4: Simplify right side
    14,275.38x = 155,697,238.96
  5. Step 5: Solve for x
    x = 155,697,238.96/14,275.38
  6. Step 6: Final answer
    x = 10,906.70

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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.