Home / 12,681.13-19,026.26-8,529.02

Finding the Fourth Proportional to 12,681.13, 19,026.26 and 8,529.02

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Solution

The fourth proportional to 12,681.13, 19,026.26 and 8,529.02 is: 12,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681.13 : 19,026.26 = 8,529.02 : x
  2. Step 2: Convert to fraction form
    12,681.13/19,026.26 = 8,529.02/x
  3. Step 3: Cross multiply
    12,681.13x = 19,026.26 × 8,529.02
  4. Step 4: Simplify right side
    12,681.13x = 162,275,352.07
  5. Step 5: Solve for x
    x = 162,275,352.07/12,681.13
  6. Step 6: Final answer
    x = 12,796.60

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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.