Home / 19,361.67-26,720.18-10,866.48

Finding the Fourth Proportional to 19,361.67, 26,720.18 and 10,866.48

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Solution

The fourth proportional to 19,361.67, 26,720.18 and 10,866.48 is: 14,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.67 : 26,720.18 = 10,866.48 : x
  2. Step 2: Convert to fraction form
    19,361.67/26,720.18 = 10,866.48/x
  3. Step 3: Cross multiply
    19,361.67x = 26,720.18 × 10,866.48
  4. Step 4: Simplify right side
    19,361.67x = 290,354,301.57
  5. Step 5: Solve for x
    x = 290,354,301.57/19,361.67
  6. Step 6: Final answer
    x = 14,996.35

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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.