Home / 26,101.79-36,018.48-15,347.10

Finding the Fourth Proportional to 26,101.79, 36,018.48 and 15,347.10

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Solution

The fourth proportional to 26,101.79, 36,018.48 and 15,347.10 is: 21,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,101.79 : 36,018.48 = 15,347.10 : x
  2. Step 2: Convert to fraction form
    26,101.79/36,018.48 = 15,347.10/x
  3. Step 3: Cross multiply
    26,101.79x = 36,018.48 × 15,347.10
  4. Step 4: Simplify right side
    26,101.79x = 552,779,363.87
  5. Step 5: Solve for x
    x = 552,779,363.87/26,101.79
  6. Step 6: Final answer
    x = 21,177.83

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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.