Home / 14,520.15-19,988.58-13,027.54

Finding the Fourth Proportional to 14,520.15, 19,988.58 and 13,027.54

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Solution

The fourth proportional to 14,520.15, 19,988.58 and 13,027.54 is: 17,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.15 : 19,988.58 = 13,027.54 : x
  2. Step 2: Convert to fraction form
    14,520.15/19,988.58 = 13,027.54/x
  3. Step 3: Cross multiply
    14,520.15x = 19,988.58 × 13,027.54
  4. Step 4: Simplify right side
    14,520.15x = 260,402,025.49
  5. Step 5: Solve for x
    x = 260,402,025.49/14,520.15
  6. Step 6: Final answer
    x = 17,933.84

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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.