Home / 13,527.96-18,653.38-8,741.60

Finding the Fourth Proportional to 13,527.96, 18,653.38 and 8,741.60

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Solution

The fourth proportional to 13,527.96, 18,653.38 and 8,741.60 is: 12,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.96 : 18,653.38 = 8,741.60 : x
  2. Step 2: Convert to fraction form
    13,527.96/18,653.38 = 8,741.60/x
  3. Step 3: Cross multiply
    13,527.96x = 18,653.38 × 8,741.60
  4. Step 4: Simplify right side
    13,527.96x = 163,060,386.61
  5. Step 5: Solve for x
    x = 163,060,386.61/13,527.96
  6. Step 6: Final answer
    x = 12,053.58

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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.