Home / 26,298.48-39,448.08-7,578.84

Finding the Fourth Proportional to 26,298.48, 39,448.08 and 7,578.84

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Solution

The fourth proportional to 26,298.48, 39,448.08 and 7,578.84 is: 11,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298.48 : 39,448.08 = 7,578.84 : x
  2. Step 2: Convert to fraction form
    26,298.48/39,448.08 = 7,578.84/x
  3. Step 3: Cross multiply
    26,298.48x = 39,448.08 × 7,578.84
  4. Step 4: Simplify right side
    26,298.48x = 298,970,686.63
  5. Step 5: Solve for x
    x = 298,970,686.63/26,298.48
  6. Step 6: Final answer
    x = 11,368.36

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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.