Home / 18,433.08-25,431.57-10,472.40

Finding the Fourth Proportional to 18,433.08, 25,431.57 and 10,472.40

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Solution

The fourth proportional to 18,433.08, 25,431.57 and 10,472.40 is: 14,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.08 : 25,431.57 = 10,472.40 : x
  2. Step 2: Convert to fraction form
    18,433.08/25,431.57 = 10,472.40/x
  3. Step 3: Cross multiply
    18,433.08x = 25,431.57 × 10,472.40
  4. Step 4: Simplify right side
    18,433.08x = 266,329,573.67
  5. Step 5: Solve for x
    x = 266,329,573.67/18,433.08
  6. Step 6: Final answer
    x = 14,448.46

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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.