Home / 18,934.74-26,129.58-10,437.66

Finding the Fourth Proportional to 18,934.74, 26,129.58 and 10,437.66

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Solution

The fourth proportional to 18,934.74, 26,129.58 and 10,437.66 is: 14,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.74 : 26,129.58 = 10,437.66 : x
  2. Step 2: Convert to fraction form
    18,934.74/26,129.58 = 10,437.66/x
  3. Step 3: Cross multiply
    18,934.74x = 26,129.58 × 10,437.66
  4. Step 4: Simplify right side
    18,934.74x = 272,731,671.98
  5. Step 5: Solve for x
    x = 272,731,671.98/18,934.74
  6. Step 6: Final answer
    x = 14,403.77

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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.