Home / 13,193.64-19,784.10-4,877.58

Finding the Fourth Proportional to 13,193.64, 19,784.10 and 4,877.58

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Solution

The fourth proportional to 13,193.64, 19,784.10 and 4,877.58 is: 7,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.64 : 19,784.10 = 4,877.58 : x
  2. Step 2: Convert to fraction form
    13,193.64/19,784.10 = 4,877.58/x
  3. Step 3: Cross multiply
    13,193.64x = 19,784.10 × 4,877.58
  4. Step 4: Simplify right side
    13,193.64x = 96,498,530.48
  5. Step 5: Solve for x
    x = 96,498,530.48/13,193.64
  6. Step 6: Final answer
    x = 7,314.02

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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.