Home / 23,106.08-31,887.87-13,030.85

Finding the Fourth Proportional to 23,106.08, 31,887.87 and 13,030.85

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Solution

The fourth proportional to 23,106.08, 31,887.87 and 13,030.85 is: 17,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,106.08 : 31,887.87 = 13,030.85 : x
  2. Step 2: Convert to fraction form
    23,106.08/31,887.87 = 13,030.85/x
  3. Step 3: Cross multiply
    23,106.08x = 31,887.87 × 13,030.85
  4. Step 4: Simplify right side
    23,106.08x = 415,525,934.58
  5. Step 5: Solve for x
    x = 415,525,934.58/23,106.08
  6. Step 6: Final answer
    x = 17,983.40

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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.