Home / 14,403.70-19,886.28-11,757.40

Finding the Fourth Proportional to 14,403.70, 19,886.28 and 11,757.40

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Solution

The fourth proportional to 14,403.70, 19,886.28 and 11,757.40 is: 16,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.70 : 19,886.28 = 11,757.40 : x
  2. Step 2: Convert to fraction form
    14,403.70/19,886.28 = 11,757.40/x
  3. Step 3: Cross multiply
    14,403.70x = 19,886.28 × 11,757.40
  4. Step 4: Simplify right side
    14,403.70x = 233,810,948.47
  5. Step 5: Solve for x
    x = 233,810,948.47/14,403.70
  6. Step 6: Final answer
    x = 16,232.70

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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.