Home / 14,277.60-19,700.88-8,308.32

Finding the Fourth Proportional to 14,277.60, 19,700.88 and 8,308.32

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Solution

The fourth proportional to 14,277.60, 19,700.88 and 8,308.32 is: 11,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.60 : 19,700.88 = 8,308.32 : x
  2. Step 2: Convert to fraction form
    14,277.60/19,700.88 = 8,308.32/x
  3. Step 3: Cross multiply
    14,277.60x = 19,700.88 × 8,308.32
  4. Step 4: Simplify right side
    14,277.60x = 163,681,215.32
  5. Step 5: Solve for x
    x = 163,681,215.32/14,277.60
  6. Step 6: Final answer
    x = 11,464.20

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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.