Home / 30,247.51-45,370.23-11,526.87

Finding the Fourth Proportional to 30,247.51, 45,370.23 and 11,526.87

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Solution

The fourth proportional to 30,247.51, 45,370.23 and 11,526.87 is: 17,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.51 : 45,370.23 = 11,526.87 : x
  2. Step 2: Convert to fraction form
    30,247.51/45,370.23 = 11,526.87/x
  3. Step 3: Cross multiply
    30,247.51x = 45,370.23 × 11,526.87
  4. Step 4: Simplify right side
    30,247.51x = 522,976,743.08
  5. Step 5: Solve for x
    x = 522,976,743.08/30,247.51
  6. Step 6: Final answer
    x = 17,289.91

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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.