Home / 15,799.34-21,682.74-14,303.98

Finding the Fourth Proportional to 15,799.34, 21,682.74 and 14,303.98

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Solution

The fourth proportional to 15,799.34, 21,682.74 and 14,303.98 is: 19,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799.34 : 21,682.74 = 14,303.98 : x
  2. Step 2: Convert to fraction form
    15,799.34/21,682.74 = 14,303.98/x
  3. Step 3: Cross multiply
    15,799.34x = 21,682.74 × 14,303.98
  4. Step 4: Simplify right side
    15,799.34x = 310,149,479.31
  5. Step 5: Solve for x
    x = 310,149,479.31/15,799.34
  6. Step 6: Final answer
    x = 19,630.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.