Home / 13,045.08-18,008.88-10,207.44

Finding the Fourth Proportional to 13,045.08, 18,008.88 and 10,207.44

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Solution

The fourth proportional to 13,045.08, 18,008.88 and 10,207.44 is: 14,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.08 : 18,008.88 = 10,207.44 : x
  2. Step 2: Convert to fraction form
    13,045.08/18,008.88 = 10,207.44/x
  3. Step 3: Cross multiply
    13,045.08x = 18,008.88 × 10,207.44
  4. Step 4: Simplify right side
    13,045.08x = 183,824,562.07
  5. Step 5: Solve for x
    x = 183,824,562.07/13,045.08
  6. Step 6: Final answer
    x = 14,091.49

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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.