Home / 13,364.58-18,437.28-8,056.38

Finding the Fourth Proportional to 13,364.58, 18,437.28 and 8,056.38

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Solution

The fourth proportional to 13,364.58, 18,437.28 and 8,056.38 is: 11,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.58 : 18,437.28 = 8,056.38 : x
  2. Step 2: Convert to fraction form
    13,364.58/18,437.28 = 8,056.38/x
  3. Step 3: Cross multiply
    13,364.58x = 18,437.28 × 8,056.38
  4. Step 4: Simplify right side
    13,364.58x = 148,537,733.85
  5. Step 5: Solve for x
    x = 148,537,733.85/13,364.58
  6. Step 6: Final answer
    x = 11,114.28

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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.