Home / 26,721.67-36,876.99-14,784.81

Finding the Fourth Proportional to 26,721.67, 36,876.99 and 14,784.81

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Solution

The fourth proportional to 26,721.67, 36,876.99 and 14,784.81 is: 20,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.67 : 36,876.99 = 14,784.81 : x
  2. Step 2: Convert to fraction form
    26,721.67/36,876.99 = 14,784.81/x
  3. Step 3: Cross multiply
    26,721.67x = 36,876.99 × 14,784.81
  4. Step 4: Simplify right side
    26,721.67x = 545,219,290.52
  5. Step 5: Solve for x
    x = 545,219,290.52/26,721.67
  6. Step 6: Final answer
    x = 20,403.64

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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.