Home / 13,098.16-18,084.51-12,261.63

Finding the Fourth Proportional to 13,098.16, 18,084.51 and 12,261.63

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Solution

The fourth proportional to 13,098.16, 18,084.51 and 12,261.63 is: 16,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.16 : 18,084.51 = 12,261.63 : x
  2. Step 2: Convert to fraction form
    13,098.16/18,084.51 = 12,261.63/x
  3. Step 3: Cross multiply
    13,098.16x = 18,084.51 × 12,261.63
  4. Step 4: Simplify right side
    13,098.16x = 221,745,570.35
  5. Step 5: Solve for x
    x = 221,745,570.35/13,098.16
  6. Step 6: Final answer
    x = 16,929.52

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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.