Home / 25,345.90-37,992.12-10,539.91

Finding the Fourth Proportional to 25,345.90, 37,992.12 and 10,539.91

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Solution

The fourth proportional to 25,345.90, 37,992.12 and 10,539.91 is: 15,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.90 : 37,992.12 = 10,539.91 : x
  2. Step 2: Convert to fraction form
    25,345.90/37,992.12 = 10,539.91/x
  3. Step 3: Cross multiply
    25,345.90x = 37,992.12 × 10,539.91
  4. Step 4: Simplify right side
    25,345.90x = 400,433,525.51
  5. Step 5: Solve for x
    x = 400,433,525.51/25,345.90
  6. Step 6: Final answer
    x = 15,798.75

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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.