Home / 14,103.45-19,461.39-8,437.05

Finding the Fourth Proportional to 14,103.45, 19,461.39 and 8,437.05

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Solution

The fourth proportional to 14,103.45, 19,461.39 and 8,437.05 is: 11,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.45 : 19,461.39 = 8,437.05 : x
  2. Step 2: Convert to fraction form
    14,103.45/19,461.39 = 8,437.05/x
  3. Step 3: Cross multiply
    14,103.45x = 19,461.39 × 8,437.05
  4. Step 4: Simplify right side
    14,103.45x = 164,196,720.50
  5. Step 5: Solve for x
    x = 164,196,720.50/14,103.45
  6. Step 6: Final answer
    x = 11,642.31

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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.