Home / 15,995.04-23,995.40-7,690.11

Finding the Fourth Proportional to 15,995.04, 23,995.40 and 7,690.11

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Solution

The fourth proportional to 15,995.04, 23,995.40 and 7,690.11 is: 11,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.04 : 23,995.40 = 7,690.11 : x
  2. Step 2: Convert to fraction form
    15,995.04/23,995.40 = 7,690.11/x
  3. Step 3: Cross multiply
    15,995.04x = 23,995.40 × 7,690.11
  4. Step 4: Simplify right side
    15,995.04x = 184,527,227.04
  5. Step 5: Solve for x
    x = 184,527,227.04/15,995.04
  6. Step 6: Final answer
    x = 11,536.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.