Home / 22,703.58-31,290.16-18,468.60

Finding the Fourth Proportional to 22,703.58, 31,290.16 and 18,468.60

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Solution

The fourth proportional to 22,703.58, 31,290.16 and 18,468.60 is: 25,453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.58 : 31,290.16 = 18,468.60 : x
  2. Step 2: Convert to fraction form
    22,703.58/31,290.16 = 18,468.60/x
  3. Step 3: Cross multiply
    22,703.58x = 31,290.16 × 18,468.60
  4. Step 4: Simplify right side
    22,703.58x = 577,885,448.98
  5. Step 5: Solve for x
    x = 577,885,448.98/22,703.58
  6. Step 6: Final answer
    x = 25,453.49

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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.