Home / 16,140.87-22,271.99-9,065.93

Finding the Fourth Proportional to 16,140.87, 22,271.99 and 9,065.93

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Solution

The fourth proportional to 16,140.87, 22,271.99 and 9,065.93 is: 12,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.87 : 22,271.99 = 9,065.93 : x
  2. Step 2: Convert to fraction form
    16,140.87/22,271.99 = 9,065.93/x
  3. Step 3: Cross multiply
    16,140.87x = 22,271.99 × 9,065.93
  4. Step 4: Simplify right side
    16,140.87x = 201,916,145.61
  5. Step 5: Solve for x
    x = 201,916,145.61/16,140.87
  6. Step 6: Final answer
    x = 12,509.62

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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.