Home / 14,529.52-19,911.08-13,129.84

Finding the Fourth Proportional to 14,529.52, 19,911.08 and 13,129.84

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Solution

The fourth proportional to 14,529.52, 19,911.08 and 13,129.84 is: 17,992.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.52 : 19,911.08 = 13,129.84 : x
  2. Step 2: Convert to fraction form
    14,529.52/19,911.08 = 13,129.84/x
  3. Step 3: Cross multiply
    14,529.52x = 19,911.08 × 13,129.84
  4. Step 4: Simplify right side
    14,529.52x = 261,429,294.63
  5. Step 5: Solve for x
    x = 261,429,294.63/14,529.52
  6. Step 6: Final answer
    x = 17,992.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.