Home / 18,712.16-25,822.55-10,753.77

Finding the Fourth Proportional to 18,712.16, 25,822.55 and 10,753.77

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Solution

The fourth proportional to 18,712.16, 25,822.55 and 10,753.77 is: 14,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712.16 : 25,822.55 = 10,753.77 : x
  2. Step 2: Convert to fraction form
    18,712.16/25,822.55 = 10,753.77/x
  3. Step 3: Cross multiply
    18,712.16x = 25,822.55 × 10,753.77
  4. Step 4: Simplify right side
    18,712.16x = 277,689,790.40
  5. Step 5: Solve for x
    x = 277,689,790.40/18,712.16
  6. Step 6: Final answer
    x = 14,840.08

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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.