Home / 23,109.84-31,888.84-13,037.69

Finding the Fourth Proportional to 23,109.84, 31,888.84 and 13,037.69

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Solution

The fourth proportional to 23,109.84, 31,888.84 and 13,037.69 is: 17,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,109.84 : 31,888.84 = 13,037.69 : x
  2. Step 2: Convert to fraction form
    23,109.84/31,888.84 = 13,037.69/x
  3. Step 3: Cross multiply
    23,109.84x = 31,888.84 × 13,037.69
  4. Step 4: Simplify right side
    23,109.84x = 415,756,745.19
  5. Step 5: Solve for x
    x = 415,756,745.19/23,109.84
  6. Step 6: Final answer
    x = 17,990.46

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Double scale
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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.