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Finding the Fourth Proportional to 18,892, 26,070.96 and 10,510.48

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Solution

The fourth proportional to 18,892, 26,070.96 and 10,510.48 is: 14,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892 : 26,070.96 = 10,510.48 : x
  2. Step 2: Convert to fraction form
    18,892/26,070.96 = 10,510.48/x
  3. Step 3: Cross multiply
    18,892x = 26,070.96 × 10,510.48
  4. Step 4: Simplify right side
    18,892x = 274,018,303.66
  5. Step 5: Solve for x
    x = 274,018,303.66/18,892
  6. Step 6: Final answer
    x = 14,504.46

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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.