Home / 13,353.13-18,434.82-8,883.01

Finding the Fourth Proportional to 13,353.13, 18,434.82 and 8,883.01

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Solution

The fourth proportional to 13,353.13, 18,434.82 and 8,883.01 is: 12,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.13 : 18,434.82 = 8,883.01 : x
  2. Step 2: Convert to fraction form
    13,353.13/18,434.82 = 8,883.01/x
  3. Step 3: Cross multiply
    13,353.13x = 18,434.82 × 8,883.01
  4. Step 4: Simplify right side
    13,353.13x = 163,756,690.41
  5. Step 5: Solve for x
    x = 163,756,690.41/13,353.13
  6. Step 6: Final answer
    x = 12,263.54

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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.