Home / 26,922.04-37,131.42-18,429.19

Finding the Fourth Proportional to 26,922.04, 37,131.42 and 18,429.19

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Solution

The fourth proportional to 26,922.04, 37,131.42 and 18,429.19 is: 25,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,922.04 : 37,131.42 = 18,429.19 : x
  2. Step 2: Convert to fraction form
    26,922.04/37,131.42 = 18,429.19/x
  3. Step 3: Cross multiply
    26,922.04x = 37,131.42 × 18,429.19
  4. Step 4: Simplify right side
    26,922.04x = 684,301,994.15
  5. Step 5: Solve for x
    x = 684,301,994.15/26,922.04
  6. Step 6: Final answer
    x = 25,417.91

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Double scale
Find fourth proportional to 26,923.04, 37,132.80 and 18,430.19
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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.