Home / 18,536.86-25,580.88-10,039.06

Finding the Fourth Proportional to 18,536.86, 25,580.88 and 10,039.06

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Solution

The fourth proportional to 18,536.86, 25,580.88 and 10,039.06 is: 13,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.86 : 25,580.88 = 10,039.06 : x
  2. Step 2: Convert to fraction form
    18,536.86/25,580.88 = 10,039.06/x
  3. Step 3: Cross multiply
    18,536.86x = 25,580.88 × 10,039.06
  4. Step 4: Simplify right side
    18,536.86x = 256,807,989.17
  5. Step 5: Solve for x
    x = 256,807,989.17/18,536.86
  6. Step 6: Final answer
    x = 13,853.91

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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.