Home / 19,897.85-27,459.10-10,946.04

Finding the Fourth Proportional to 19,897.85, 27,459.10 and 10,946.04

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Solution

The fourth proportional to 19,897.85, 27,459.10 and 10,946.04 is: 15,105.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.85 : 27,459.10 = 10,946.04 : x
  2. Step 2: Convert to fraction form
    19,897.85/27,459.10 = 10,946.04/x
  3. Step 3: Cross multiply
    19,897.85x = 27,459.10 × 10,946.04
  4. Step 4: Simplify right side
    19,897.85x = 300,568,317.67
  5. Step 5: Solve for x
    x = 300,568,317.67/19,897.85
  6. Step 6: Final answer
    x = 15,105.57

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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.