Home / 14,051.60-19,368.69-9,512.85

Finding the Fourth Proportional to 14,051.60, 19,368.69 and 9,512.85

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Solution

The fourth proportional to 14,051.60, 19,368.69 and 9,512.85 is: 13,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.60 : 19,368.69 = 9,512.85 : x
  2. Step 2: Convert to fraction form
    14,051.60/19,368.69 = 9,512.85/x
  3. Step 3: Cross multiply
    14,051.60x = 19,368.69 × 9,512.85
  4. Step 4: Simplify right side
    14,051.60x = 184,251,443.31
  5. Step 5: Solve for x
    x = 184,251,443.31/14,051.60
  6. Step 6: Final answer
    x = 13,112.49

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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.