Home / 18,875.86-26,037.93-11,702.50

Finding the Fourth Proportional to 18,875.86, 26,037.93 and 11,702.50

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Solution

The fourth proportional to 18,875.86, 26,037.93 and 11,702.50 is: 16,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.86 : 26,037.93 = 11,702.50 : x
  2. Step 2: Convert to fraction form
    18,875.86/26,037.93 = 11,702.50/x
  3. Step 3: Cross multiply
    18,875.86x = 26,037.93 × 11,702.50
  4. Step 4: Simplify right side
    18,875.86x = 304,708,875.83
  5. Step 5: Solve for x
    x = 304,708,875.83/18,875.86
  6. Step 6: Final answer
    x = 16,142.78

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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.