Home / 23,091.40-31,869.14-13,022.99

Finding the Fourth Proportional to 23,091.40, 31,869.14 and 13,022.99

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Solution

The fourth proportional to 23,091.40, 31,869.14 and 13,022.99 is: 17,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,091.40 : 31,869.14 = 13,022.99 : x
  2. Step 2: Convert to fraction form
    23,091.40/31,869.14 = 13,022.99/x
  3. Step 3: Cross multiply
    23,091.40x = 31,869.14 × 13,022.99
  4. Step 4: Simplify right side
    23,091.40x = 415,031,267.07
  5. Step 5: Solve for x
    x = 415,031,267.07/23,091.40
  6. Step 6: Final answer
    x = 17,973.41

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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.