Home / 26,391.78-36,421.74-14,456.16

Finding the Fourth Proportional to 26,391.78, 36,421.74 and 14,456.16

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Solution

The fourth proportional to 26,391.78, 36,421.74 and 14,456.16 is: 19,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.78 : 36,421.74 = 14,456.16 : x
  2. Step 2: Convert to fraction form
    26,391.78/36,421.74 = 14,456.16/x
  3. Step 3: Cross multiply
    26,391.78x = 36,421.74 × 14,456.16
  4. Step 4: Simplify right side
    26,391.78x = 526,518,500.92
  5. Step 5: Solve for x
    x = 526,518,500.92/26,391.78
  6. Step 6: Final answer
    x = 19,950.09

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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.