Home / 19,862.77-27,410.64-10,910.72

Finding the Fourth Proportional to 19,862.77, 27,410.64 and 10,910.72

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Solution

The fourth proportional to 19,862.77, 27,410.64 and 10,910.72 is: 15,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.77 : 27,410.64 = 10,910.72 : x
  2. Step 2: Convert to fraction form
    19,862.77/27,410.64 = 10,910.72/x
  3. Step 3: Cross multiply
    19,862.77x = 27,410.64 × 10,910.72
  4. Step 4: Simplify right side
    19,862.77x = 299,069,818.06
  5. Step 5: Solve for x
    x = 299,069,818.06/19,862.77
  6. Step 6: Final answer
    x = 15,056.80

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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.