Home / 16,435.40-22,681.10-9,361.67

Finding the Fourth Proportional to 16,435.40, 22,681.10 and 9,361.67

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Solution

The fourth proportional to 16,435.40, 22,681.10 and 9,361.67 is: 12,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,435.40 : 22,681.10 = 9,361.67 : x
  2. Step 2: Convert to fraction form
    16,435.40/22,681.10 = 9,361.67/x
  3. Step 3: Cross multiply
    16,435.40x = 22,681.10 × 9,361.67
  4. Step 4: Simplify right side
    16,435.40x = 212,332,926.63
  5. Step 5: Solve for x
    x = 212,332,926.63/16,435.40
  6. Step 6: Final answer
    x = 12,919.24

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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.