Home / 14,567.21-20,102.30-8,194.08

Finding the Fourth Proportional to 14,567.21, 20,102.30 and 8,194.08

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Solution

The fourth proportional to 14,567.21, 20,102.30 and 8,194.08 is: 11,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.21 : 20,102.30 = 8,194.08 : x
  2. Step 2: Convert to fraction form
    14,567.21/20,102.30 = 8,194.08/x
  3. Step 3: Cross multiply
    14,567.21x = 20,102.30 × 8,194.08
  4. Step 4: Simplify right side
    14,567.21x = 164,719,813.41
  5. Step 5: Solve for x
    x = 164,719,813.41/14,567.21
  6. Step 6: Final answer
    x = 11,307.58

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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.