Home / 16,815.65-23,204.69-9,260.51

Finding the Fourth Proportional to 16,815.65, 23,204.69 and 9,260.51

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Solution

The fourth proportional to 16,815.65, 23,204.69 and 9,260.51 is: 12,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.65 : 23,204.69 = 9,260.51 : x
  2. Step 2: Convert to fraction form
    16,815.65/23,204.69 = 9,260.51/x
  3. Step 3: Cross multiply
    16,815.65x = 23,204.69 × 9,260.51
  4. Step 4: Simplify right side
    16,815.65x = 214,887,101.47
  5. Step 5: Solve for x
    x = 214,887,101.47/16,815.65
  6. Step 6: Final answer
    x = 12,779.00

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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.