Home / 13,045.10-18,000.27-7,302.51

Finding the Fourth Proportional to 13,045.10, 18,000.27 and 7,302.51

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Solution

The fourth proportional to 13,045.10, 18,000.27 and 7,302.51 is: 10,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.10 : 18,000.27 = 7,302.51 : x
  2. Step 2: Convert to fraction form
    13,045.10/18,000.27 = 7,302.51/x
  3. Step 3: Cross multiply
    13,045.10x = 18,000.27 × 7,302.51
  4. Step 4: Simplify right side
    13,045.10x = 131,447,151.68
  5. Step 5: Solve for x
    x = 131,447,151.68/13,045.10
  6. Step 6: Final answer
    x = 10,076.37

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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.