Home / 13,248.42-18,300.52-9,282.66

Finding the Fourth Proportional to 13,248.42, 18,300.52 and 9,282.66

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Solution

The fourth proportional to 13,248.42, 18,300.52 and 9,282.66 is: 12,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.42 : 18,300.52 = 9,282.66 : x
  2. Step 2: Convert to fraction form
    13,248.42/18,300.52 = 9,282.66/x
  3. Step 3: Cross multiply
    13,248.42x = 18,300.52 × 9,282.66
  4. Step 4: Simplify right side
    13,248.42x = 169,877,504.98
  5. Step 5: Solve for x
    x = 169,877,504.98/13,248.42
  6. Step 6: Final answer
    x = 12,822.47

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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.