Home / 14,327.52-19,780.64-9,368.16

Finding the Fourth Proportional to 14,327.52, 19,780.64 and 9,368.16

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Solution

The fourth proportional to 14,327.52, 19,780.64 and 9,368.16 is: 12,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327.52 : 19,780.64 = 9,368.16 : x
  2. Step 2: Convert to fraction form
    14,327.52/19,780.64 = 9,368.16/x
  3. Step 3: Cross multiply
    14,327.52x = 19,780.64 × 9,368.16
  4. Step 4: Simplify right side
    14,327.52x = 185,308,200.42
  5. Step 5: Solve for x
    x = 185,308,200.42/14,327.52
  6. Step 6: Final answer
    x = 12,933.72

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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.