Home / 14,346.72-19,790.51-13,331.93

Finding the Fourth Proportional to 14,346.72, 19,790.51 and 13,331.93

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Solution

The fourth proportional to 14,346.72, 19,790.51 and 13,331.93 is: 18,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.72 : 19,790.51 = 13,331.93 : x
  2. Step 2: Convert to fraction form
    14,346.72/19,790.51 = 13,331.93/x
  3. Step 3: Cross multiply
    14,346.72x = 19,790.51 × 13,331.93
  4. Step 4: Simplify right side
    14,346.72x = 263,845,528.37
  5. Step 5: Solve for x
    x = 263,845,528.37/14,346.72
  6. Step 6: Final answer
    x = 18,390.65

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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.