Home / 25,091.19-34,538.93-21,686.65

Finding the Fourth Proportional to 25,091.19, 34,538.93 and 21,686.65

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Solution

The fourth proportional to 25,091.19, 34,538.93 and 21,686.65 is: 29,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,091.19 : 34,538.93 = 21,686.65 : x
  2. Step 2: Convert to fraction form
    25,091.19/34,538.93 = 21,686.65/x
  3. Step 3: Cross multiply
    25,091.19x = 34,538.93 × 21,686.65
  4. Step 4: Simplify right side
    25,091.19x = 749,033,654.15
  5. Step 5: Solve for x
    x = 749,033,654.15/25,091.19
  6. Step 6: Final answer
    x = 29,852.46

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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.