Home / 20,017.46-27,624.65-11,065.79

Finding the Fourth Proportional to 20,017.46, 27,624.65 and 11,065.79

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Solution

The fourth proportional to 20,017.46, 27,624.65 and 11,065.79 is: 15,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.46 : 27,624.65 = 11,065.79 : x
  2. Step 2: Convert to fraction form
    20,017.46/27,624.65 = 11,065.79/x
  3. Step 3: Cross multiply
    20,017.46x = 27,624.65 × 11,065.79
  4. Step 4: Simplify right side
    20,017.46x = 305,688,465.26
  5. Step 5: Solve for x
    x = 305,688,465.26/20,017.46
  6. Step 6: Final answer
    x = 15,271.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.