Home / 14,273.16-19,697.40-7,985.76

Finding the Fourth Proportional to 14,273.16, 19,697.40 and 7,985.76

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Solution

The fourth proportional to 14,273.16, 19,697.40 and 7,985.76 is: 11,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.16 : 19,697.40 = 7,985.76 : x
  2. Step 2: Convert to fraction form
    14,273.16/19,697.40 = 7,985.76/x
  3. Step 3: Cross multiply
    14,273.16x = 19,697.40 × 7,985.76
  4. Step 4: Simplify right side
    14,273.16x = 157,298,709.02
  5. Step 5: Solve for x
    x = 157,298,709.02/14,273.16
  6. Step 6: Final answer
    x = 11,020.59

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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.