Home / 16,836.85-23,237.59-10,129.25

Finding the Fourth Proportional to 16,836.85, 23,237.59 and 10,129.25

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Solution

The fourth proportional to 16,836.85, 23,237.59 and 10,129.25 is: 13,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,836.85 : 23,237.59 = 10,129.25 : x
  2. Step 2: Convert to fraction form
    16,836.85/23,237.59 = 10,129.25/x
  3. Step 3: Cross multiply
    16,836.85x = 23,237.59 × 10,129.25
  4. Step 4: Simplify right side
    16,836.85x = 235,379,307.86
  5. Step 5: Solve for x
    x = 235,379,307.86/16,836.85
  6. Step 6: Final answer
    x = 13,980.01

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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.