Home / 26,400.99-36,403.52-16,828.11

Finding the Fourth Proportional to 26,400.99, 36,403.52 and 16,828.11

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Solution

The fourth proportional to 26,400.99, 36,403.52 and 16,828.11 is: 23,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,400.99 : 36,403.52 = 16,828.11 : x
  2. Step 2: Convert to fraction form
    26,400.99/36,403.52 = 16,828.11/x
  3. Step 3: Cross multiply
    26,400.99x = 36,403.52 × 16,828.11
  4. Step 4: Simplify right side
    26,400.99x = 612,602,354.81
  5. Step 5: Solve for x
    x = 612,602,354.81/26,400.99
  6. Step 6: Final answer
    x = 23,203.76

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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.