Home / 14,364.57-19,836.18-10,821.63

Finding the Fourth Proportional to 14,364.57, 19,836.18 and 10,821.63

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Solution

The fourth proportional to 14,364.57, 19,836.18 and 10,821.63 is: 14,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.57 : 19,836.18 = 10,821.63 : x
  2. Step 2: Convert to fraction form
    14,364.57/19,836.18 = 10,821.63/x
  3. Step 3: Cross multiply
    14,364.57x = 19,836.18 × 10,821.63
  4. Step 4: Simplify right side
    14,364.57x = 214,659,800.57
  5. Step 5: Solve for x
    x = 214,659,800.57/14,364.57
  6. Step 6: Final answer
    x = 14,943.70

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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.