Home / 25,370.36-38,051.08-7,840.34

Finding the Fourth Proportional to 25,370.36, 38,051.08 and 7,840.34

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Solution

The fourth proportional to 25,370.36, 38,051.08 and 7,840.34 is: 11,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,370.36 : 38,051.08 = 7,840.34 : x
  2. Step 2: Convert to fraction form
    25,370.36/38,051.08 = 7,840.34/x
  3. Step 3: Cross multiply
    25,370.36x = 38,051.08 × 7,840.34
  4. Step 4: Simplify right side
    25,370.36x = 298,333,194.71
  5. Step 5: Solve for x
    x = 298,333,194.71/25,370.36
  6. Step 6: Final answer
    x = 11,759.13

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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.