Home / 13,492.12-18,621.06-7,903.24

Finding the Fourth Proportional to 13,492.12, 18,621.06 and 7,903.24

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Solution

The fourth proportional to 13,492.12, 18,621.06 and 7,903.24 is: 10,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.12 : 18,621.06 = 7,903.24 : x
  2. Step 2: Convert to fraction form
    13,492.12/18,621.06 = 7,903.24/x
  3. Step 3: Cross multiply
    13,492.12x = 18,621.06 × 7,903.24
  4. Step 4: Simplify right side
    13,492.12x = 147,166,706.23
  5. Step 5: Solve for x
    x = 147,166,706.23/13,492.12
  6. Step 6: Final answer
    x = 10,907.60

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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.