Home / 15,648.97-21,594.94-9,364.81

Finding the Fourth Proportional to 15,648.97, 21,594.94 and 9,364.81

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Solution

The fourth proportional to 15,648.97, 21,594.94 and 9,364.81 is: 12,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.97 : 21,594.94 = 9,364.81 : x
  2. Step 2: Convert to fraction form
    15,648.97/21,594.94 = 9,364.81/x
  3. Step 3: Cross multiply
    15,648.97x = 21,594.94 × 9,364.81
  4. Step 4: Simplify right side
    15,648.97x = 202,232,510.06
  5. Step 5: Solve for x
    x = 202,232,510.06/15,648.97
  6. Step 6: Final answer
    x = 12,923.06

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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.