Home / 22,085.48-30,477.42-12,653.44

Finding the Fourth Proportional to 22,085.48, 30,477.42 and 12,653.44

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Solution

The fourth proportional to 22,085.48, 30,477.42 and 12,653.44 is: 17,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085.48 : 30,477.42 = 12,653.44 : x
  2. Step 2: Convert to fraction form
    22,085.48/30,477.42 = 12,653.44/x
  3. Step 3: Cross multiply
    22,085.48x = 30,477.42 × 12,653.44
  4. Step 4: Simplify right side
    22,085.48x = 385,644,129.13
  5. Step 5: Solve for x
    x = 385,644,129.13/22,085.48
  6. Step 6: Final answer
    x = 17,461.43

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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.