Home / 19,484.09-26,887.50-10,986.14

Finding the Fourth Proportional to 19,484.09, 26,887.50 and 10,986.14

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Solution

The fourth proportional to 19,484.09, 26,887.50 and 10,986.14 is: 15,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.09 : 26,887.50 = 10,986.14 : x
  2. Step 2: Convert to fraction form
    19,484.09/26,887.50 = 10,986.14/x
  3. Step 3: Cross multiply
    19,484.09x = 26,887.50 × 10,986.14
  4. Step 4: Simplify right side
    19,484.09x = 295,389,839.25
  5. Step 5: Solve for x
    x = 295,389,839.25/19,484.09
  6. Step 6: Final answer
    x = 15,160.57

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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.