Home / 14,908.47-20,572.63-8,194.38

Finding the Fourth Proportional to 14,908.47, 20,572.63 and 8,194.38

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Solution

The fourth proportional to 14,908.47, 20,572.63 and 8,194.38 is: 11,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.47 : 20,572.63 = 8,194.38 : x
  2. Step 2: Convert to fraction form
    14,908.47/20,572.63 = 8,194.38/x
  3. Step 3: Cross multiply
    14,908.47x = 20,572.63 × 8,194.38
  4. Step 4: Simplify right side
    14,908.47x = 168,579,947.82
  5. Step 5: Solve for x
    x = 168,579,947.82/14,908.47
  6. Step 6: Final answer
    x = 11,307.66

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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.