Home / 27,216.84-40,834.10-13,356.12

Finding the Fourth Proportional to 27,216.84, 40,834.10 and 13,356.12

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Solution

The fourth proportional to 27,216.84, 40,834.10 and 13,356.12 is: 20,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.84 : 40,834.10 = 13,356.12 : x
  2. Step 2: Convert to fraction form
    27,216.84/40,834.10 = 13,356.12/x
  3. Step 3: Cross multiply
    27,216.84x = 40,834.10 × 13,356.12
  4. Step 4: Simplify right side
    27,216.84x = 545,385,139.69
  5. Step 5: Solve for x
    x = 545,385,139.69/27,216.84
  6. Step 6: Final answer
    x = 20,038.52

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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.