Home / 19,922.95-29,886.59-7,448.95

Finding the Fourth Proportional to 19,922.95, 29,886.59 and 7,448.95

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Solution

The fourth proportional to 19,922.95, 29,886.59 and 7,448.95 is: 11,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.95 : 29,886.59 = 7,448.95 : x
  2. Step 2: Convert to fraction form
    19,922.95/29,886.59 = 7,448.95/x
  3. Step 3: Cross multiply
    19,922.95x = 29,886.59 × 7,448.95
  4. Step 4: Simplify right side
    19,922.95x = 222,623,714.58
  5. Step 5: Solve for x
    x = 222,623,714.58/19,922.95
  6. Step 6: Final answer
    x = 11,174.23

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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.