Home / 19,616.08-27,069.64-10,663.28

Finding the Fourth Proportional to 19,616.08, 27,069.64 and 10,663.28

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Solution

The fourth proportional to 19,616.08, 27,069.64 and 10,663.28 is: 14,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.08 : 27,069.64 = 10,663.28 : x
  2. Step 2: Convert to fraction form
    19,616.08/27,069.64 = 10,663.28/x
  3. Step 3: Cross multiply
    19,616.08x = 27,069.64 × 10,663.28
  4. Step 4: Simplify right side
    19,616.08x = 288,651,150.82
  5. Step 5: Solve for x
    x = 288,651,150.82/19,616.08
  6. Step 6: Final answer
    x = 14,715.03

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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.