Home / 26,479.12-36,539.76-15,148.84

Finding the Fourth Proportional to 26,479.12, 36,539.76 and 15,148.84

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Solution

The fourth proportional to 26,479.12, 36,539.76 and 15,148.84 is: 20,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.12 : 36,539.76 = 15,148.84 : x
  2. Step 2: Convert to fraction form
    26,479.12/36,539.76 = 15,148.84/x
  3. Step 3: Cross multiply
    26,479.12x = 36,539.76 × 15,148.84
  4. Step 4: Simplify right side
    26,479.12x = 553,534,977.88
  5. Step 5: Solve for x
    x = 553,534,977.88/26,479.12
  6. Step 6: Final answer
    x = 20,904.58

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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.