Home / 16,987.60-23,438.28-9,535.44

Finding the Fourth Proportional to 16,987.60, 23,438.28 and 9,535.44

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Solution

The fourth proportional to 16,987.60, 23,438.28 and 9,535.44 is: 13,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.60 : 23,438.28 = 9,535.44 : x
  2. Step 2: Convert to fraction form
    16,987.60/23,438.28 = 9,535.44/x
  3. Step 3: Cross multiply
    16,987.60x = 23,438.28 × 9,535.44
  4. Step 4: Simplify right side
    16,987.60x = 223,494,312.64
  5. Step 5: Solve for x
    x = 223,494,312.64/16,987.60
  6. Step 6: Final answer
    x = 13,156.32

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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.