Home / 18,475.07-25,492.79-10,407.57

Finding the Fourth Proportional to 18,475.07, 25,492.79 and 10,407.57

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Solution

The fourth proportional to 18,475.07, 25,492.79 and 10,407.57 is: 14,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.07 : 25,492.79 = 10,407.57 : x
  2. Step 2: Convert to fraction form
    18,475.07/25,492.79 = 10,407.57/x
  3. Step 3: Cross multiply
    18,475.07x = 25,492.79 × 10,407.57
  4. Step 4: Simplify right side
    18,475.07x = 265,318,022.44
  5. Step 5: Solve for x
    x = 265,318,022.44/18,475.07
  6. Step 6: Final answer
    x = 14,360.87

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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.