Home / 13,460.80-18,575.52-7,492.12

Finding the Fourth Proportional to 13,460.80, 18,575.52 and 7,492.12

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Solution

The fourth proportional to 13,460.80, 18,575.52 and 7,492.12 is: 10,338.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.80 : 18,575.52 = 7,492.12 : x
  2. Step 2: Convert to fraction form
    13,460.80/18,575.52 = 7,492.12/x
  3. Step 3: Cross multiply
    13,460.80x = 18,575.52 × 7,492.12
  4. Step 4: Simplify right side
    13,460.80x = 139,170,024.90
  5. Step 5: Solve for x
    x = 139,170,024.90/13,460.80
  6. Step 6: Final answer
    x = 10,338.91

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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.