Home / 14,125.55-21,150.18-8,854.25

Finding the Fourth Proportional to 14,125.55, 21,150.18 and 8,854.25

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Solution

The fourth proportional to 14,125.55, 21,150.18 and 8,854.25 is: 13,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.55 : 21,150.18 = 8,854.25 : x
  2. Step 2: Convert to fraction form
    14,125.55/21,150.18 = 8,854.25/x
  3. Step 3: Cross multiply
    14,125.55x = 21,150.18 × 8,854.25
  4. Step 4: Simplify right side
    14,125.55x = 187,268,875.51
  5. Step 5: Solve for x
    x = 187,268,875.51/14,125.55
  6. Step 6: Final answer
    x = 13,257.46

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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.