Home / 26,136.06-36,032.91-20,776.32

Finding the Fourth Proportional to 26,136.06, 36,032.91 and 20,776.32

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Solution

The fourth proportional to 26,136.06, 36,032.91 and 20,776.32 is: 28,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,136.06 : 36,032.91 = 20,776.32 : x
  2. Step 2: Convert to fraction form
    26,136.06/36,032.91 = 20,776.32/x
  3. Step 3: Cross multiply
    26,136.06x = 36,032.91 × 20,776.32
  4. Step 4: Simplify right side
    26,136.06x = 748,631,268.69
  5. Step 5: Solve for x
    x = 748,631,268.69/26,136.06
  6. Step 6: Final answer
    x = 28,643.62

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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.