Home / 16,587.21-22,890.83-9,515.01

Finding the Fourth Proportional to 16,587.21, 22,890.83 and 9,515.01

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Solution

The fourth proportional to 16,587.21, 22,890.83 and 9,515.01 is: 13,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.21 : 22,890.83 = 9,515.01 : x
  2. Step 2: Convert to fraction form
    16,587.21/22,890.83 = 9,515.01/x
  3. Step 3: Cross multiply
    16,587.21x = 22,890.83 × 9,515.01
  4. Step 4: Simplify right side
    16,587.21x = 217,806,428.78
  5. Step 5: Solve for x
    x = 217,806,428.78/16,587.21
  6. Step 6: Final answer
    x = 13,130.99

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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.