Home / 17,220.49-23,759.89-10,505.68

Finding the Fourth Proportional to 17,220.49, 23,759.89 and 10,505.68

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Solution

The fourth proportional to 17,220.49, 23,759.89 and 10,505.68 is: 14,495.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.49 : 23,759.89 = 10,505.68 : x
  2. Step 2: Convert to fraction form
    17,220.49/23,759.89 = 10,505.68/x
  3. Step 3: Cross multiply
    17,220.49x = 23,759.89 × 10,505.68
  4. Step 4: Simplify right side
    17,220.49x = 249,613,801.18
  5. Step 5: Solve for x
    x = 249,613,801.18/17,220.49
  6. Step 6: Final answer
    x = 14,495.16

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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.