Home / 18,991.22-26,242.65-16,465.23

Finding the Fourth Proportional to 18,991.22, 26,242.65 and 16,465.23

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Solution

The fourth proportional to 18,991.22, 26,242.65 and 16,465.23 is: 22,752.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991.22 : 26,242.65 = 16,465.23 : x
  2. Step 2: Convert to fraction form
    18,991.22/26,242.65 = 16,465.23/x
  3. Step 3: Cross multiply
    18,991.22x = 26,242.65 × 16,465.23
  4. Step 4: Simplify right side
    18,991.22x = 432,091,268.06
  5. Step 5: Solve for x
    x = 432,091,268.06/18,991.22
  6. Step 6: Final answer
    x = 22,752.17

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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.