Home / 15,133.04-22,720.61-7,742.60

Finding the Fourth Proportional to 15,133.04, 22,720.61 and 7,742.60

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Solution

The fourth proportional to 15,133.04, 22,720.61 and 7,742.60 is: 11,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.04 : 22,720.61 = 7,742.60 : x
  2. Step 2: Convert to fraction form
    15,133.04/22,720.61 = 7,742.60/x
  3. Step 3: Cross multiply
    15,133.04x = 22,720.61 × 7,742.60
  4. Step 4: Simplify right side
    15,133.04x = 175,916,500.74
  5. Step 5: Solve for x
    x = 175,916,500.74/15,133.04
  6. Step 6: Final answer
    x = 11,624.67

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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.