Home / 16,457.40-22,711.16-8,903.63

Finding the Fourth Proportional to 16,457.40, 22,711.16 and 8,903.63

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Solution

The fourth proportional to 16,457.40, 22,711.16 and 8,903.63 is: 12,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,457.40 : 22,711.16 = 8,903.63 : x
  2. Step 2: Convert to fraction form
    16,457.40/22,711.16 = 8,903.63/x
  3. Step 3: Cross multiply
    16,457.40x = 22,711.16 × 8,903.63
  4. Step 4: Simplify right side
    16,457.40x = 202,211,765.51
  5. Step 5: Solve for x
    x = 202,211,765.51/16,457.40
  6. Step 6: Final answer
    x = 12,286.98

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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.