Home / 20,746.14-31,124.01-7,598.70

Finding the Fourth Proportional to 20,746.14, 31,124.01 and 7,598.70

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Solution

The fourth proportional to 20,746.14, 31,124.01 and 7,598.70 is: 11,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.14 : 31,124.01 = 7,598.70 : x
  2. Step 2: Convert to fraction form
    20,746.14/31,124.01 = 7,598.70/x
  3. Step 3: Cross multiply
    20,746.14x = 31,124.01 × 7,598.70
  4. Step 4: Simplify right side
    20,746.14x = 236,502,014.79
  5. Step 5: Solve for x
    x = 236,502,014.79/20,746.14
  6. Step 6: Final answer
    x = 11,399.81

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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.