Home / 30,086.73-45,159.26-14,515.29

Finding the Fourth Proportional to 30,086.73, 45,159.26 and 14,515.29

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Solution

The fourth proportional to 30,086.73, 45,159.26 and 14,515.29 is: 21,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.73 : 45,159.26 = 14,515.29 : x
  2. Step 2: Convert to fraction form
    30,086.73/45,159.26 = 14,515.29/x
  3. Step 3: Cross multiply
    30,086.73x = 45,159.26 × 14,515.29
  4. Step 4: Simplify right side
    30,086.73x = 655,499,682.51
  5. Step 5: Solve for x
    x = 655,499,682.51/30,086.73
  6. Step 6: Final answer
    x = 21,787.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.