Home / 16,890.15-23,352.71-14,056.47

Finding the Fourth Proportional to 16,890.15, 23,352.71 and 14,056.47

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Solution

The fourth proportional to 16,890.15, 23,352.71 and 14,056.47 is: 19,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.15 : 23,352.71 = 14,056.47 : x
  2. Step 2: Convert to fraction form
    16,890.15/23,352.71 = 14,056.47/x
  3. Step 3: Cross multiply
    16,890.15x = 23,352.71 × 14,056.47
  4. Step 4: Simplify right side
    16,890.15x = 328,256,597.25
  5. Step 5: Solve for x
    x = 328,256,597.25/16,890.15
  6. Step 6: Final answer
    x = 19,434.79

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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.