Home / 15,521.16-23,282.10-4,428.84

Finding the Fourth Proportional to 15,521.16, 23,282.10 and 4,428.84

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Solution

The fourth proportional to 15,521.16, 23,282.10 and 4,428.84 is: 6,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.16 : 23,282.10 = 4,428.84 : x
  2. Step 2: Convert to fraction form
    15,521.16/23,282.10 = 4,428.84/x
  3. Step 3: Cross multiply
    15,521.16x = 23,282.10 × 4,428.84
  4. Step 4: Simplify right side
    15,521.16x = 103,112,695.76
  5. Step 5: Solve for x
    x = 103,112,695.76/15,521.16
  6. Step 6: Final answer
    x = 6,643.36

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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.