Home / 16,918.95-23,340.33-10,952.55

Finding the Fourth Proportional to 16,918.95, 23,340.33 and 10,952.55

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Solution

The fourth proportional to 16,918.95, 23,340.33 and 10,952.55 is: 15,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.95 : 23,340.33 = 10,952.55 : x
  2. Step 2: Convert to fraction form
    16,918.95/23,340.33 = 10,952.55/x
  3. Step 3: Cross multiply
    16,918.95x = 23,340.33 × 10,952.55
  4. Step 4: Simplify right side
    16,918.95x = 255,636,131.34
  5. Step 5: Solve for x
    x = 255,636,131.34/16,918.95
  6. Step 6: Final answer
    x = 15,109.46

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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.