Home / 19,403.72-26,776.76-10,905.96

Finding the Fourth Proportional to 19,403.72, 26,776.76 and 10,905.96

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Solution

The fourth proportional to 19,403.72, 26,776.76 and 10,905.96 is: 15,050.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.72 : 26,776.76 = 10,905.96 : x
  2. Step 2: Convert to fraction form
    19,403.72/26,776.76 = 10,905.96/x
  3. Step 3: Cross multiply
    19,403.72x = 26,776.76 × 10,905.96
  4. Step 4: Simplify right side
    19,403.72x = 292,026,273.49
  5. Step 5: Solve for x
    x = 292,026,273.49/19,403.72
  6. Step 6: Final answer
    x = 15,050.01

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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.