Home / 26,319.42-39,479.30-10,525.77

Finding the Fourth Proportional to 26,319.42, 39,479.30 and 10,525.77

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Solution

The fourth proportional to 26,319.42, 39,479.30 and 10,525.77 is: 15,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.42 : 39,479.30 = 10,525.77 : x
  2. Step 2: Convert to fraction form
    26,319.42/39,479.30 = 10,525.77/x
  3. Step 3: Cross multiply
    26,319.42x = 39,479.30 × 10,525.77
  4. Step 4: Simplify right side
    26,319.42x = 415,549,978.93
  5. Step 5: Solve for x
    x = 415,549,978.93/26,319.42
  6. Step 6: Final answer
    x = 15,788.72

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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.