Home / 19,970.19-29,955.28-6,822.67

Finding the Fourth Proportional to 19,970.19, 29,955.28 and 6,822.67

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Solution

The fourth proportional to 19,970.19, 29,955.28 and 6,822.67 is: 10,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.19 : 29,955.28 = 6,822.67 : x
  2. Step 2: Convert to fraction form
    19,970.19/29,955.28 = 6,822.67/x
  3. Step 3: Cross multiply
    19,970.19x = 29,955.28 × 6,822.67
  4. Step 4: Simplify right side
    19,970.19x = 204,374,990.20
  5. Step 5: Solve for x
    x = 204,374,990.20/19,970.19
  6. Step 6: Final answer
    x = 10,234.00

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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.