Home / 22,741.60-31,367.36-13,312.04

Finding the Fourth Proportional to 22,741.60, 31,367.36 and 13,312.04

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Solution

The fourth proportional to 22,741.60, 31,367.36 and 13,312.04 is: 18,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,741.60 : 31,367.36 = 13,312.04 : x
  2. Step 2: Convert to fraction form
    22,741.60/31,367.36 = 13,312.04/x
  3. Step 3: Cross multiply
    22,741.60x = 31,367.36 × 13,312.04
  4. Step 4: Simplify right side
    22,741.60x = 417,563,551.01
  5. Step 5: Solve for x
    x = 417,563,551.01/22,741.60
  6. Step 6: Final answer
    x = 18,361.22

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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.