Home / 19,772.13-27,285.63-10,819.62

Finding the Fourth Proportional to 19,772.13, 27,285.63 and 10,819.62

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Solution

The fourth proportional to 19,772.13, 27,285.63 and 10,819.62 is: 14,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.13 : 27,285.63 = 10,819.62 : x
  2. Step 2: Convert to fraction form
    19,772.13/27,285.63 = 10,819.62/x
  3. Step 3: Cross multiply
    19,772.13x = 27,285.63 × 10,819.62
  4. Step 4: Simplify right side
    19,772.13x = 295,220,148.06
  5. Step 5: Solve for x
    x = 295,220,148.06/19,772.13
  6. Step 6: Final answer
    x = 14,931.13

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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.