Home / 16,692.52-23,038.40-9,617.72

Finding the Fourth Proportional to 16,692.52, 23,038.40 and 9,617.72

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Solution

The fourth proportional to 16,692.52, 23,038.40 and 9,617.72 is: 13,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692.52 : 23,038.40 = 9,617.72 : x
  2. Step 2: Convert to fraction form
    16,692.52/23,038.40 = 9,617.72/x
  3. Step 3: Cross multiply
    16,692.52x = 23,038.40 × 9,617.72
  4. Step 4: Simplify right side
    16,692.52x = 221,576,880.45
  5. Step 5: Solve for x
    x = 221,576,880.45/16,692.52
  6. Step 6: Final answer
    x = 13,274.02

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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.