Home / 18,913.38-26,101.85-13,536.32

Finding the Fourth Proportional to 18,913.38, 26,101.85 and 13,536.32

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Solution

The fourth proportional to 18,913.38, 26,101.85 and 13,536.32 is: 18,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913.38 : 26,101.85 = 13,536.32 : x
  2. Step 2: Convert to fraction form
    18,913.38/26,101.85 = 13,536.32/x
  3. Step 3: Cross multiply
    18,913.38x = 26,101.85 × 13,536.32
  4. Step 4: Simplify right side
    18,913.38x = 353,322,994.19
  5. Step 5: Solve for x
    x = 353,322,994.19/18,913.38
  6. Step 6: Final answer
    x = 18,681.11

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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.