Home / 19,772.19-27,285.62-10,819.77

Finding the Fourth Proportional to 19,772.19, 27,285.62 and 10,819.77

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Solution

The fourth proportional to 19,772.19, 27,285.62 and 10,819.77 is: 14,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.19 : 27,285.62 = 10,819.77 : x
  2. Step 2: Convert to fraction form
    19,772.19/27,285.62 = 10,819.77/x
  3. Step 3: Cross multiply
    19,772.19x = 27,285.62 × 10,819.77
  4. Step 4: Simplify right side
    19,772.19x = 295,224,132.71
  5. Step 5: Solve for x
    x = 295,224,132.71/19,772.19
  6. Step 6: Final answer
    x = 14,931.28

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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.