Home / 14,332.35-19,779.89-7,960.17

Finding the Fourth Proportional to 14,332.35, 19,779.89 and 7,960.17

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Solution

The fourth proportional to 14,332.35, 19,779.89 and 7,960.17 is: 10,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.35 : 19,779.89 = 7,960.17 : x
  2. Step 2: Convert to fraction form
    14,332.35/19,779.89 = 7,960.17/x
  3. Step 3: Cross multiply
    14,332.35x = 19,779.89 × 7,960.17
  4. Step 4: Simplify right side
    14,332.35x = 157,451,247.18
  5. Step 5: Solve for x
    x = 157,451,247.18/14,332.35
  6. Step 6: Final answer
    x = 10,985.72

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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.