Home / 23,180.48-31,988.75-12,569.97

Finding the Fourth Proportional to 23,180.48, 31,988.75 and 12,569.97

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Solution

The fourth proportional to 23,180.48, 31,988.75 and 12,569.97 is: 17,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.48 : 31,988.75 = 12,569.97 : x
  2. Step 2: Convert to fraction form
    23,180.48/31,988.75 = 12,569.97/x
  3. Step 3: Cross multiply
    23,180.48x = 31,988.75 × 12,569.97
  4. Step 4: Simplify right side
    23,180.48x = 402,097,564.99
  5. Step 5: Solve for x
    x = 402,097,564.99/23,180.48
  6. Step 6: Final answer
    x = 17,346.39

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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.