Home / 14,036.08-19,369.24-7,748.40

Finding the Fourth Proportional to 14,036.08, 19,369.24 and 7,748.40

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Solution

The fourth proportional to 14,036.08, 19,369.24 and 7,748.40 is: 10,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.08 : 19,369.24 = 7,748.40 : x
  2. Step 2: Convert to fraction form
    14,036.08/19,369.24 = 7,748.40/x
  3. Step 3: Cross multiply
    14,036.08x = 19,369.24 × 7,748.40
  4. Step 4: Simplify right side
    14,036.08x = 150,080,619.22
  5. Step 5: Solve for x
    x = 150,080,619.22/14,036.08
  6. Step 6: Final answer
    x = 10,692.49

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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.