Home / 20,501.24-30,751.86-11,730.04

Finding the Fourth Proportional to 20,501.24, 30,751.86 and 11,730.04

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Solution

The fourth proportional to 20,501.24, 30,751.86 and 11,730.04 is: 17,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501.24 : 30,751.86 = 11,730.04 : x
  2. Step 2: Convert to fraction form
    20,501.24/30,751.86 = 11,730.04/x
  3. Step 3: Cross multiply
    20,501.24x = 30,751.86 × 11,730.04
  4. Step 4: Simplify right side
    20,501.24x = 360,720,547.87
  5. Step 5: Solve for x
    x = 360,720,547.87/20,501.24
  6. Step 6: Final answer
    x = 17,595.06

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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.