Home / 18,999.06-26,218.56-10,501.77

Finding the Fourth Proportional to 18,999.06, 26,218.56 and 10,501.77

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Solution

The fourth proportional to 18,999.06, 26,218.56 and 10,501.77 is: 14,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.06 : 26,218.56 = 10,501.77 : x
  2. Step 2: Convert to fraction form
    18,999.06/26,218.56 = 10,501.77/x
  3. Step 3: Cross multiply
    18,999.06x = 26,218.56 × 10,501.77
  4. Step 4: Simplify right side
    18,999.06x = 275,341,286.85
  5. Step 5: Solve for x
    x = 275,341,286.85/18,999.06
  6. Step 6: Final answer
    x = 14,492.36

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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.