Home / 13,051.20-19,573.92-8,357.12

Finding the Fourth Proportional to 13,051.20, 19,573.92 and 8,357.12

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Solution

The fourth proportional to 13,051.20, 19,573.92 and 8,357.12 is: 12,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.20 : 19,573.92 = 8,357.12 : x
  2. Step 2: Convert to fraction form
    13,051.20/19,573.92 = 8,357.12/x
  3. Step 3: Cross multiply
    13,051.20x = 19,573.92 × 8,357.12
  4. Step 4: Simplify right side
    13,051.20x = 163,581,598.31
  5. Step 5: Solve for x
    x = 163,581,598.31/13,051.20
  6. Step 6: Final answer
    x = 12,533.84

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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.