Home / 19,364.47-26,731.82-14,886.65

Finding the Fourth Proportional to 19,364.47, 26,731.82 and 14,886.65

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Solution

The fourth proportional to 19,364.47, 26,731.82 and 14,886.65 is: 20,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.47 : 26,731.82 = 14,886.65 : x
  2. Step 2: Convert to fraction form
    19,364.47/26,731.82 = 14,886.65/x
  3. Step 3: Cross multiply
    19,364.47x = 26,731.82 × 14,886.65
  4. Step 4: Simplify right side
    19,364.47x = 397,947,248.20
  5. Step 5: Solve for x
    x = 397,947,248.20/19,364.47
  6. Step 6: Final answer
    x = 20,550.38

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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.