Home / 19,301.66-26,636.76-10,803.71

Finding the Fourth Proportional to 19,301.66, 26,636.76 and 10,803.71

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Solution

The fourth proportional to 19,301.66, 26,636.76 and 10,803.71 is: 14,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.66 : 26,636.76 = 10,803.71 : x
  2. Step 2: Convert to fraction form
    19,301.66/26,636.76 = 10,803.71/x
  3. Step 3: Cross multiply
    19,301.66x = 26,636.76 × 10,803.71
  4. Step 4: Simplify right side
    19,301.66x = 287,775,830.38
  5. Step 5: Solve for x
    x = 287,775,830.38/19,301.66
  6. Step 6: Final answer
    x = 14,909.38

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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.