Home / 16,987.38-23,440.02-9,533.94

Finding the Fourth Proportional to 16,987.38, 23,440.02 and 9,533.94

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Solution

The fourth proportional to 16,987.38, 23,440.02 and 9,533.94 is: 13,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.38 : 23,440.02 = 9,533.94 : x
  2. Step 2: Convert to fraction form
    16,987.38/23,440.02 = 9,533.94/x
  3. Step 3: Cross multiply
    16,987.38x = 23,440.02 × 9,533.94
  4. Step 4: Simplify right side
    16,987.38x = 223,475,744.28
  5. Step 5: Solve for x
    x = 223,475,744.28/16,987.38
  6. Step 6: Final answer
    x = 13,155.40

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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.