Home / 20,323.48-30,459.22-10,460.92

Finding the Fourth Proportional to 20,323.48, 30,459.22 and 10,460.92

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Solution

The fourth proportional to 20,323.48, 30,459.22 and 10,460.92 is: 15,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.48 : 30,459.22 = 10,460.92 : x
  2. Step 2: Convert to fraction form
    20,323.48/30,459.22 = 10,460.92/x
  3. Step 3: Cross multiply
    20,323.48x = 30,459.22 × 10,460.92
  4. Step 4: Simplify right side
    20,323.48x = 318,631,463.68
  5. Step 5: Solve for x
    x = 318,631,463.68/20,323.48
  6. Step 6: Final answer
    x = 15,678.00

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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.