Home / 14,567.16-20,102.74-8,281.56

Finding the Fourth Proportional to 14,567.16, 20,102.74 and 8,281.56

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Solution

The fourth proportional to 14,567.16, 20,102.74 and 8,281.56 is: 11,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.16 : 20,102.74 = 8,281.56 : x
  2. Step 2: Convert to fraction form
    14,567.16/20,102.74 = 8,281.56/x
  3. Step 3: Cross multiply
    14,567.16x = 20,102.74 × 8,281.56
  4. Step 4: Simplify right side
    14,567.16x = 166,482,047.47
  5. Step 5: Solve for x
    x = 166,482,047.47/14,567.16
  6. Step 6: Final answer
    x = 11,428.59

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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.