Home / 19,038.20-26,308.86-14,314.28

Finding the Fourth Proportional to 19,038.20, 26,308.86 and 14,314.28

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Solution

The fourth proportional to 19,038.20, 26,308.86 and 14,314.28 is: 19,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.20 : 26,308.86 = 14,314.28 : x
  2. Step 2: Convert to fraction form
    19,038.20/26,308.86 = 14,314.28/x
  3. Step 3: Cross multiply
    19,038.20x = 26,308.86 × 14,314.28
  4. Step 4: Simplify right side
    19,038.20x = 376,592,388.52
  5. Step 5: Solve for x
    x = 376,592,388.52/19,038.20
  6. Step 6: Final answer
    x = 19,780.88

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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.