Home / 16,457.63-22,715.18-11,360.30

Finding the Fourth Proportional to 16,457.63, 22,715.18 and 11,360.30

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Solution

The fourth proportional to 16,457.63, 22,715.18 and 11,360.30 is: 15,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,457.63 : 22,715.18 = 11,360.30 : x
  2. Step 2: Convert to fraction form
    16,457.63/22,715.18 = 11,360.30/x
  3. Step 3: Cross multiply
    16,457.63x = 22,715.18 × 11,360.30
  4. Step 4: Simplify right side
    16,457.63x = 258,051,259.35
  5. Step 5: Solve for x
    x = 258,051,259.35/16,457.63
  6. Step 6: Final answer
    x = 15,679.73

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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.