Home / 46,189.85-69,283.76-12,909.24

Finding the Fourth Proportional to 46,189.85, 69,283.76 and 12,909.24

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Solution

The fourth proportional to 46,189.85, 69,283.76 and 12,909.24 is: 19,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,189.85 : 69,283.76 = 12,909.24 : x
  2. Step 2: Convert to fraction form
    46,189.85/69,283.76 = 12,909.24/x
  3. Step 3: Cross multiply
    46,189.85x = 69,283.76 × 12,909.24
  4. Step 4: Simplify right side
    46,189.85x = 894,400,621.40
  5. Step 5: Solve for x
    x = 894,400,621.40/46,189.85
  6. Step 6: Final answer
    x = 19,363.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.