Home / 13,742.04-20,585.72-7,492.69

Finding the Fourth Proportional to 13,742.04, 20,585.72 and 7,492.69

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Solution

The fourth proportional to 13,742.04, 20,585.72 and 7,492.69 is: 11,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.04 : 20,585.72 = 7,492.69 : x
  2. Step 2: Convert to fraction form
    13,742.04/20,585.72 = 7,492.69/x
  3. Step 3: Cross multiply
    13,742.04x = 20,585.72 × 7,492.69
  4. Step 4: Simplify right side
    13,742.04x = 154,242,462.85
  5. Step 5: Solve for x
    x = 154,242,462.85/13,742.04
  6. Step 6: Final answer
    x = 11,224.13

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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.