Home / 26,678.16-36,815.72-14,742.32

Finding the Fourth Proportional to 26,678.16, 36,815.72 and 14,742.32

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Solution

The fourth proportional to 26,678.16, 36,815.72 and 14,742.32 is: 20,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.16 : 36,815.72 = 14,742.32 : x
  2. Step 2: Convert to fraction form
    26,678.16/36,815.72 = 14,742.32/x
  3. Step 3: Cross multiply
    26,678.16x = 36,815.72 × 14,742.32
  4. Step 4: Simplify right side
    26,678.16x = 542,749,125.27
  5. Step 5: Solve for x
    x = 542,749,125.27/26,678.16
  6. Step 6: Final answer
    x = 20,344.32

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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.