Home / 22,255.16-33,416.15-21,185.15

Finding the Fourth Proportional to 22,255.16, 33,416.15 and 21,185.15

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Solution

The fourth proportional to 22,255.16, 33,416.15 and 21,185.15 is: 31,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.16 : 33,416.15 = 21,185.15 : x
  2. Step 2: Convert to fraction form
    22,255.16/33,416.15 = 21,185.15/x
  3. Step 3: Cross multiply
    22,255.16x = 33,416.15 × 21,185.15
  4. Step 4: Simplify right side
    22,255.16x = 707,925,877.17
  5. Step 5: Solve for x
    x = 707,925,877.17/22,255.16
  6. Step 6: Final answer
    x = 31,809.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.