Home / 13,962.28-20,927-5,631.16

Finding the Fourth Proportional to 13,962.28, 20,927 and 5,631.16

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Solution

The fourth proportional to 13,962.28, 20,927 and 5,631.16 is: 8,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.28 : 20,927 = 5,631.16 : x
  2. Step 2: Convert to fraction form
    13,962.28/20,927 = 5,631.16/x
  3. Step 3: Cross multiply
    13,962.28x = 20,927 × 5,631.16
  4. Step 4: Simplify right side
    13,962.28x = 117,843,285.32
  5. Step 5: Solve for x
    x = 117,843,285.32/13,962.28
  6. Step 6: Final answer
    x = 8,440.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.