Home / 14,402.06-19,856.91-12,015.49

Finding the Fourth Proportional to 14,402.06, 19,856.91 and 12,015.49

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Solution

The fourth proportional to 14,402.06, 19,856.91 and 12,015.49 is: 16,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.06 : 19,856.91 = 12,015.49 : x
  2. Step 2: Convert to fraction form
    14,402.06/19,856.91 = 12,015.49/x
  3. Step 3: Cross multiply
    14,402.06x = 19,856.91 × 12,015.49
  4. Step 4: Simplify right side
    14,402.06x = 238,590,503.54
  5. Step 5: Solve for x
    x = 238,590,503.54/14,402.06
  6. Step 6: Final answer
    x = 16,566.42

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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.