Home / 14,332.89-19,779.29-7,959.45

Finding the Fourth Proportional to 14,332.89, 19,779.29 and 7,959.45

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Solution

The fourth proportional to 14,332.89, 19,779.29 and 7,959.45 is: 10,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.89 : 19,779.29 = 7,959.45 : x
  2. Step 2: Convert to fraction form
    14,332.89/19,779.29 = 7,959.45/x
  3. Step 3: Cross multiply
    14,332.89x = 19,779.29 × 7,959.45
  4. Step 4: Simplify right side
    14,332.89x = 157,432,229.99
  5. Step 5: Solve for x
    x = 157,432,229.99/14,332.89
  6. Step 6: Final answer
    x = 10,983.98

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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.