Home / 14,010.90-19,322.28-9,286.98

Finding the Fourth Proportional to 14,010.90, 19,322.28 and 9,286.98

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Solution

The fourth proportional to 14,010.90, 19,322.28 and 9,286.98 is: 12,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.90 : 19,322.28 = 9,286.98 : x
  2. Step 2: Convert to fraction form
    14,010.90/19,322.28 = 9,286.98/x
  3. Step 3: Cross multiply
    14,010.90x = 19,322.28 × 9,286.98
  4. Step 4: Simplify right side
    14,010.90x = 179,445,627.91
  5. Step 5: Solve for x
    x = 179,445,627.91/14,010.90
  6. Step 6: Final answer
    x = 12,807.57

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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.