Home / 22,899.09-31,582.98-15,343.01

Finding the Fourth Proportional to 22,899.09, 31,582.98 and 15,343.01

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Solution

The fourth proportional to 22,899.09, 31,582.98 and 15,343.01 is: 21,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,899.09 : 31,582.98 = 15,343.01 : x
  2. Step 2: Convert to fraction form
    22,899.09/31,582.98 = 15,343.01/x
  3. Step 3: Cross multiply
    22,899.09x = 31,582.98 × 15,343.01
  4. Step 4: Simplify right side
    22,899.09x = 484,577,977.97
  5. Step 5: Solve for x
    x = 484,577,977.97/22,899.09
  6. Step 6: Final answer
    x = 21,161.45

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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.