Home / 14,586.28-20,136-9,895.32

Finding the Fourth Proportional to 14,586.28, 20,136 and 9,895.32

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Solution

The fourth proportional to 14,586.28, 20,136 and 9,895.32 is: 13,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.28 : 20,136 = 9,895.32 : x
  2. Step 2: Convert to fraction form
    14,586.28/20,136 = 9,895.32/x
  3. Step 3: Cross multiply
    14,586.28x = 20,136 × 9,895.32
  4. Step 4: Simplify right side
    14,586.28x = 199,252,163.52
  5. Step 5: Solve for x
    x = 199,252,163.52/14,586.28
  6. Step 6: Final answer
    x = 13,660.25

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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.