Home / 23,099.34-31,885.28-13,667.88

Finding the Fourth Proportional to 23,099.34, 31,885.28 and 13,667.88

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Solution

The fourth proportional to 23,099.34, 31,885.28 and 13,667.88 is: 18,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,099.34 : 31,885.28 = 13,667.88 : x
  2. Step 2: Convert to fraction form
    23,099.34/31,885.28 = 13,667.88/x
  3. Step 3: Cross multiply
    23,099.34x = 31,885.28 × 13,667.88
  4. Step 4: Simplify right side
    23,099.34x = 435,804,180.81
  5. Step 5: Solve for x
    x = 435,804,180.81/23,099.34
  6. Step 6: Final answer
    x = 18,866.52

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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.