Home / 13,667.16-20,484.28-5,766.63

Finding the Fourth Proportional to 13,667.16, 20,484.28 and 5,766.63

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Solution

The fourth proportional to 13,667.16, 20,484.28 and 5,766.63 is: 8,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667.16 : 20,484.28 = 5,766.63 : x
  2. Step 2: Convert to fraction form
    13,667.16/20,484.28 = 5,766.63/x
  3. Step 3: Cross multiply
    13,667.16x = 20,484.28 × 5,766.63
  4. Step 4: Simplify right side
    13,667.16x = 118,125,263.58
  5. Step 5: Solve for x
    x = 118,125,263.58/13,667.16
  6. Step 6: Final answer
    x = 8,643.00

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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.