Home / 17,409.68-23,970.74-15,363.47

Finding the Fourth Proportional to 17,409.68, 23,970.74 and 15,363.47

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Solution

The fourth proportional to 17,409.68, 23,970.74 and 15,363.47 is: 21,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,409.68 : 23,970.74 = 15,363.47 : x
  2. Step 2: Convert to fraction form
    17,409.68/23,970.74 = 15,363.47/x
  3. Step 3: Cross multiply
    17,409.68x = 23,970.74 × 15,363.47
  4. Step 4: Simplify right side
    17,409.68x = 368,273,727.98
  5. Step 5: Solve for x
    x = 368,273,727.98/17,409.68
  6. Step 6: Final answer
    x = 21,153.38

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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.