Home / 14,587.09-21,879.65-5,700.78

Finding the Fourth Proportional to 14,587.09, 21,879.65 and 5,700.78

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Solution

The fourth proportional to 14,587.09, 21,879.65 and 5,700.78 is: 8,550.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.09 : 21,879.65 = 5,700.78 : x
  2. Step 2: Convert to fraction form
    14,587.09/21,879.65 = 5,700.78/x
  3. Step 3: Cross multiply
    14,587.09x = 21,879.65 × 5,700.78
  4. Step 4: Simplify right side
    14,587.09x = 124,731,085.38
  5. Step 5: Solve for x
    x = 124,731,085.38/14,587.09
  6. Step 6: Final answer
    x = 8,550.79

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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.