Home / 14,587.36-20,137.06-11,349.84

Finding the Fourth Proportional to 14,587.36, 20,137.06 and 11,349.84

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Solution

The fourth proportional to 14,587.36, 20,137.06 and 11,349.84 is: 15,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.36 : 20,137.06 = 11,349.84 : x
  2. Step 2: Convert to fraction form
    14,587.36/20,137.06 = 11,349.84/x
  3. Step 3: Cross multiply
    14,587.36x = 20,137.06 × 11,349.84
  4. Step 4: Simplify right side
    14,587.36x = 228,552,409.07
  5. Step 5: Solve for x
    x = 228,552,409.07/14,587.36
  6. Step 6: Final answer
    x = 15,667.84

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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.