Home / 13,467.84-18,586.08-7,499.28

Finding the Fourth Proportional to 13,467.84, 18,586.08 and 7,499.28

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Solution

The fourth proportional to 13,467.84, 18,586.08 and 7,499.28 is: 10,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.84 : 18,586.08 = 7,499.28 : x
  2. Step 2: Convert to fraction form
    13,467.84/18,586.08 = 7,499.28/x
  3. Step 3: Cross multiply
    13,467.84x = 18,586.08 × 7,499.28
  4. Step 4: Simplify right side
    13,467.84x = 139,382,218.02
  5. Step 5: Solve for x
    x = 139,382,218.02/13,467.84
  6. Step 6: Final answer
    x = 10,349.26

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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.