Home / 16,587.09-22,888.31-9,515.79

Finding the Fourth Proportional to 16,587.09, 22,888.31 and 9,515.79

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Solution

The fourth proportional to 16,587.09, 22,888.31 and 9,515.79 is: 13,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.09 : 22,888.31 = 9,515.79 : x
  2. Step 2: Convert to fraction form
    16,587.09/22,888.31 = 9,515.79/x
  3. Step 3: Cross multiply
    16,587.09x = 22,888.31 × 9,515.79
  4. Step 4: Simplify right side
    16,587.09x = 217,800,303.84
  5. Step 5: Solve for x
    x = 217,800,303.84/16,587.09
  6. Step 6: Final answer
    x = 13,130.71

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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.