Home / 30,513.48-45,765.66-10,526.12

Finding the Fourth Proportional to 30,513.48, 45,765.66 and 10,526.12

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Solution

The fourth proportional to 30,513.48, 45,765.66 and 10,526.12 is: 15,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,513.48 : 45,765.66 = 10,526.12 : x
  2. Step 2: Convert to fraction form
    30,513.48/45,765.66 = 10,526.12/x
  3. Step 3: Cross multiply
    30,513.48x = 45,765.66 × 10,526.12
  4. Step 4: Simplify right side
    30,513.48x = 481,734,829.04
  5. Step 5: Solve for x
    x = 481,734,829.04/30,513.48
  6. Step 6: Final answer
    x = 15,787.61

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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.