Home / 14,865.93-20,536.34-11,877.84

Finding the Fourth Proportional to 14,865.93, 20,536.34 and 11,877.84

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Solution

The fourth proportional to 14,865.93, 20,536.34 and 11,877.84 is: 16,408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.93 : 20,536.34 = 11,877.84 : x
  2. Step 2: Convert to fraction form
    14,865.93/20,536.34 = 11,877.84/x
  3. Step 3: Cross multiply
    14,865.93x = 20,536.34 × 11,877.84
  4. Step 4: Simplify right side
    14,865.93x = 243,927,301.32
  5. Step 5: Solve for x
    x = 243,927,301.32/14,865.93
  6. Step 6: Final answer
    x = 16,408.48

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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.