Home / 14,199.40-19,570.64-10,656.44

Finding the Fourth Proportional to 14,199.40, 19,570.64 and 10,656.44

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Solution

The fourth proportional to 14,199.40, 19,570.64 and 10,656.44 is: 14,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.40 : 19,570.64 = 10,656.44 : x
  2. Step 2: Convert to fraction form
    14,199.40/19,570.64 = 10,656.44/x
  3. Step 3: Cross multiply
    14,199.40x = 19,570.64 × 10,656.44
  4. Step 4: Simplify right side
    14,199.40x = 208,553,350.92
  5. Step 5: Solve for x
    x = 208,553,350.92/14,199.40
  6. Step 6: Final answer
    x = 14,687.48

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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.