Home / 13,809.06-19,008.18-12,037.50

Finding the Fourth Proportional to 13,809.06, 19,008.18 and 12,037.50

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Solution

The fourth proportional to 13,809.06, 19,008.18 and 12,037.50 is: 16,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.06 : 19,008.18 = 12,037.50 : x
  2. Step 2: Convert to fraction form
    13,809.06/19,008.18 = 12,037.50/x
  3. Step 3: Cross multiply
    13,809.06x = 19,008.18 × 12,037.50
  4. Step 4: Simplify right side
    13,809.06x = 228,810,966.75
  5. Step 5: Solve for x
    x = 228,810,966.75/13,809.06
  6. Step 6: Final answer
    x = 16,569.63

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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.