Home / 22,703.58-31,331.70-12,495.03

Finding the Fourth Proportional to 22,703.58, 31,331.70 and 12,495.03

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Solution

The fourth proportional to 22,703.58, 31,331.70 and 12,495.03 is: 17,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.58 : 31,331.70 = 12,495.03 : x
  2. Step 2: Convert to fraction form
    22,703.58/31,331.70 = 12,495.03/x
  3. Step 3: Cross multiply
    22,703.58x = 31,331.70 × 12,495.03
  4. Step 4: Simplify right side
    22,703.58x = 391,490,531.45
  5. Step 5: Solve for x
    x = 391,490,531.45/22,703.58
  6. Step 6: Final answer
    x = 17,243.56

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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.