Home / 14,188.96-19,580.48-9,712.59

Finding the Fourth Proportional to 14,188.96, 19,580.48 and 9,712.59

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Solution

The fourth proportional to 14,188.96, 19,580.48 and 9,712.59 is: 13,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.96 : 19,580.48 = 9,712.59 : x
  2. Step 2: Convert to fraction form
    14,188.96/19,580.48 = 9,712.59/x
  3. Step 3: Cross multiply
    14,188.96x = 19,580.48 × 9,712.59
  4. Step 4: Simplify right side
    14,188.96x = 190,177,174.24
  5. Step 5: Solve for x
    x = 190,177,174.24/14,188.96
  6. Step 6: Final answer
    x = 13,403.18

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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.