Home / 42,485.99-63,674.48-17,543.57

Finding the Fourth Proportional to 42,485.99, 63,674.48 and 17,543.57

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Solution

The fourth proportional to 42,485.99, 63,674.48 and 17,543.57 is: 26,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,485.99 : 63,674.48 = 17,543.57 : x
  2. Step 2: Convert to fraction form
    42,485.99/63,674.48 = 17,543.57/x
  3. Step 3: Cross multiply
    42,485.99x = 63,674.48 × 17,543.57
  4. Step 4: Simplify right side
    42,485.99x = 1,117,077,422.58
  5. Step 5: Solve for x
    x = 1,117,077,422.58/42,485.99
  6. Step 6: Final answer
    x = 26,292.85

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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.