Home / 15,255.57-21,062.48-10,473.98

Finding the Fourth Proportional to 15,255.57, 21,062.48 and 10,473.98

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Solution

The fourth proportional to 15,255.57, 21,062.48 and 10,473.98 is: 14,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.57 : 21,062.48 = 10,473.98 : x
  2. Step 2: Convert to fraction form
    15,255.57/21,062.48 = 10,473.98/x
  3. Step 3: Cross multiply
    15,255.57x = 21,062.48 × 10,473.98
  4. Step 4: Simplify right side
    15,255.57x = 220,607,895.50
  5. Step 5: Solve for x
    x = 220,607,895.50/15,255.57
  6. Step 6: Final answer
    x = 14,460.81

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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.