Home / 14,475.34-19,973.37-8,508.20

Finding the Fourth Proportional to 14,475.34, 19,973.37 and 8,508.20

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Solution

The fourth proportional to 14,475.34, 19,973.37 and 8,508.20 is: 11,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.34 : 19,973.37 = 8,508.20 : x
  2. Step 2: Convert to fraction form
    14,475.34/19,973.37 = 8,508.20/x
  3. Step 3: Cross multiply
    14,475.34x = 19,973.37 × 8,508.20
  4. Step 4: Simplify right side
    14,475.34x = 169,937,426.63
  5. Step 5: Solve for x
    x = 169,937,426.63/14,475.34
  6. Step 6: Final answer
    x = 11,739.79

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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.