Home / 26,624.78-36,742.20-14,688.14

Finding the Fourth Proportional to 26,624.78, 36,742.20 and 14,688.14

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Solution

The fourth proportional to 26,624.78, 36,742.20 and 14,688.14 is: 20,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,624.78 : 36,742.20 = 14,688.14 : x
  2. Step 2: Convert to fraction form
    26,624.78/36,742.20 = 14,688.14/x
  3. Step 3: Cross multiply
    26,624.78x = 36,742.20 × 14,688.14
  4. Step 4: Simplify right side
    26,624.78x = 539,674,577.51
  5. Step 5: Solve for x
    x = 539,674,577.51/26,624.78
  6. Step 6: Final answer
    x = 20,269.64

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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.