Home / 14,275.91-19,700.65-8,223.94

Finding the Fourth Proportional to 14,275.91, 19,700.65 and 8,223.94

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Solution

The fourth proportional to 14,275.91, 19,700.65 and 8,223.94 is: 11,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.91 : 19,700.65 = 8,223.94 : x
  2. Step 2: Convert to fraction form
    14,275.91/19,700.65 = 8,223.94/x
  3. Step 3: Cross multiply
    14,275.91x = 19,700.65 × 8,223.94
  4. Step 4: Simplify right side
    14,275.91x = 162,016,963.56
  5. Step 5: Solve for x
    x = 162,016,963.56/14,275.91
  6. Step 6: Final answer
    x = 11,348.98

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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.