Home / 13,395.08-18,492.57-9,152.51

Finding the Fourth Proportional to 13,395.08, 18,492.57 and 9,152.51

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Solution

The fourth proportional to 13,395.08, 18,492.57 and 9,152.51 is: 12,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.08 : 18,492.57 = 9,152.51 : x
  2. Step 2: Convert to fraction form
    13,395.08/18,492.57 = 9,152.51/x
  3. Step 3: Cross multiply
    13,395.08x = 18,492.57 × 9,152.51
  4. Step 4: Simplify right side
    13,395.08x = 169,253,431.85
  5. Step 5: Solve for x
    x = 169,253,431.85/13,395.08
  6. Step 6: Final answer
    x = 12,635.49

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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.