Home / 18,918.14-26,104.76-10,851.38

Finding the Fourth Proportional to 18,918.14, 26,104.76 and 10,851.38

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Solution

The fourth proportional to 18,918.14, 26,104.76 and 10,851.38 is: 14,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918.14 : 26,104.76 = 10,851.38 : x
  2. Step 2: Convert to fraction form
    18,918.14/26,104.76 = 10,851.38/x
  3. Step 3: Cross multiply
    18,918.14x = 26,104.76 × 10,851.38
  4. Step 4: Simplify right side
    18,918.14x = 283,272,681.57
  5. Step 5: Solve for x
    x = 283,272,681.57/18,918.14
  6. Step 6: Final answer
    x = 14,973.60

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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.