Home / 26,547.21-39,785.42-9,890.48

Finding the Fourth Proportional to 26,547.21, 39,785.42 and 9,890.48

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Solution

The fourth proportional to 26,547.21, 39,785.42 and 9,890.48 is: 14,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,547.21 : 39,785.42 = 9,890.48 : x
  2. Step 2: Convert to fraction form
    26,547.21/39,785.42 = 9,890.48/x
  3. Step 3: Cross multiply
    26,547.21x = 39,785.42 × 9,890.48
  4. Step 4: Simplify right side
    26,547.21x = 393,497,024.99
  5. Step 5: Solve for x
    x = 393,497,024.99/26,547.21
  6. Step 6: Final answer
    x = 14,822.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.