Home / 18,904.27-26,088.06-10,520.77

Finding the Fourth Proportional to 18,904.27, 26,088.06 and 10,520.77

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Solution

The fourth proportional to 18,904.27, 26,088.06 and 10,520.77 is: 14,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.27 : 26,088.06 = 10,520.77 : x
  2. Step 2: Convert to fraction form
    18,904.27/26,088.06 = 10,520.77/x
  3. Step 3: Cross multiply
    18,904.27x = 26,088.06 × 10,520.77
  4. Step 4: Simplify right side
    18,904.27x = 274,466,479.01
  5. Step 5: Solve for x
    x = 274,466,479.01/18,904.27
  6. Step 6: Final answer
    x = 14,518.76

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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.