Home / 30,168.34-45,253.72-14,365.24

Finding the Fourth Proportional to 30,168.34, 45,253.72 and 14,365.24

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Solution

The fourth proportional to 30,168.34, 45,253.72 and 14,365.24 is: 21,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.34 : 45,253.72 = 14,365.24 : x
  2. Step 2: Convert to fraction form
    30,168.34/45,253.72 = 14,365.24/x
  3. Step 3: Cross multiply
    30,168.34x = 45,253.72 × 14,365.24
  4. Step 4: Simplify right side
    30,168.34x = 650,080,548.69
  5. Step 5: Solve for x
    x = 650,080,548.69/30,168.34
  6. Step 6: Final answer
    x = 21,548.44

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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.