Home / 28,513.04-39,349.49-17,186.13

Finding the Fourth Proportional to 28,513.04, 39,349.49 and 17,186.13

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Solution

The fourth proportional to 28,513.04, 39,349.49 and 17,186.13 is: 23,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,513.04 : 39,349.49 = 17,186.13 : x
  2. Step 2: Convert to fraction form
    28,513.04/39,349.49 = 17,186.13/x
  3. Step 3: Cross multiply
    28,513.04x = 39,349.49 × 17,186.13
  4. Step 4: Simplify right side
    28,513.04x = 676,265,364.64
  5. Step 5: Solve for x
    x = 676,265,364.64/28,513.04
  6. Step 6: Final answer
    x = 23,717.76

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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.