Home / 17,355.70-23,955.23-15,584.22

Finding the Fourth Proportional to 17,355.70, 23,955.23 and 15,584.22

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Solution

The fourth proportional to 17,355.70, 23,955.23 and 15,584.22 is: 21,510.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,355.70 : 23,955.23 = 15,584.22 : x
  2. Step 2: Convert to fraction form
    17,355.70/23,955.23 = 15,584.22/x
  3. Step 3: Cross multiply
    17,355.70x = 23,955.23 × 15,584.22
  4. Step 4: Simplify right side
    17,355.70x = 373,323,574.47
  5. Step 5: Solve for x
    x = 373,323,574.47/17,355.70
  6. Step 6: Final answer
    x = 21,510.14

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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.