Home / 18,921.56-26,110.50-10,962.37

Finding the Fourth Proportional to 18,921.56, 26,110.50 and 10,962.37

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Solution

The fourth proportional to 18,921.56, 26,110.50 and 10,962.37 is: 15,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,921.56 : 26,110.50 = 10,962.37 : x
  2. Step 2: Convert to fraction form
    18,921.56/26,110.50 = 10,962.37/x
  3. Step 3: Cross multiply
    18,921.56x = 26,110.50 × 10,962.37
  4. Step 4: Simplify right side
    18,921.56x = 286,232,831.33
  5. Step 5: Solve for x
    x = 286,232,831.33/18,921.56
  6. Step 6: Final answer
    x = 15,127.34

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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.