Home / 14,153.40-19,486.92-10,785.48

Finding the Fourth Proportional to 14,153.40, 19,486.92 and 10,785.48

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Solution

The fourth proportional to 14,153.40, 19,486.92 and 10,785.48 is: 14,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.40 : 19,486.92 = 10,785.48 : x
  2. Step 2: Convert to fraction form
    14,153.40/19,486.92 = 10,785.48/x
  3. Step 3: Cross multiply
    14,153.40x = 19,486.92 × 10,785.48
  4. Step 4: Simplify right side
    14,153.40x = 210,175,785.92
  5. Step 5: Solve for x
    x = 210,175,785.92/14,153.40
  6. Step 6: Final answer
    x = 14,849.84

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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.