Home / 13,575.02-18,744.93-10,211.99

Finding the Fourth Proportional to 13,575.02, 18,744.93 and 10,211.99

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Solution

The fourth proportional to 13,575.02, 18,744.93 and 10,211.99 is: 14,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.02 : 18,744.93 = 10,211.99 : x
  2. Step 2: Convert to fraction form
    13,575.02/18,744.93 = 10,211.99/x
  3. Step 3: Cross multiply
    13,575.02x = 18,744.93 × 10,211.99
  4. Step 4: Simplify right side
    13,575.02x = 191,422,943.99
  5. Step 5: Solve for x
    x = 191,422,943.99/13,575.02
  6. Step 6: Final answer
    x = 14,101.12

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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.