Home / 14,870.31-20,521.97-9,825.67

Finding the Fourth Proportional to 14,870.31, 20,521.97 and 9,825.67

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Solution

The fourth proportional to 14,870.31, 20,521.97 and 9,825.67 is: 13,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.31 : 20,521.97 = 9,825.67 : x
  2. Step 2: Convert to fraction form
    14,870.31/20,521.97 = 9,825.67/x
  3. Step 3: Cross multiply
    14,870.31x = 20,521.97 × 9,825.67
  4. Step 4: Simplify right side
    14,870.31x = 201,642,104.97
  5. Step 5: Solve for x
    x = 201,642,104.97/14,870.31
  6. Step 6: Final answer
    x = 13,560.05

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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.