Home / 16,054.99-22,156.21-9,681.55

Finding the Fourth Proportional to 16,054.99, 22,156.21 and 9,681.55

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Solution

The fourth proportional to 16,054.99, 22,156.21 and 9,681.55 is: 13,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,054.99 : 22,156.21 = 9,681.55 : x
  2. Step 2: Convert to fraction form
    16,054.99/22,156.21 = 9,681.55/x
  3. Step 3: Cross multiply
    16,054.99x = 22,156.21 × 9,681.55
  4. Step 4: Simplify right side
    16,054.99x = 214,506,406.52
  5. Step 5: Solve for x
    x = 214,506,406.52/16,054.99
  6. Step 6: Final answer
    x = 13,360.73

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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.