Home / 15,282.13-22,915.63-5,419.93

Finding the Fourth Proportional to 15,282.13, 22,915.63 and 5,419.93

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Solution

The fourth proportional to 15,282.13, 22,915.63 and 5,419.93 is: 8,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.13 : 22,915.63 = 5,419.93 : x
  2. Step 2: Convert to fraction form
    15,282.13/22,915.63 = 5,419.93/x
  3. Step 3: Cross multiply
    15,282.13x = 22,915.63 × 5,419.93
  4. Step 4: Simplify right side
    15,282.13x = 124,201,110.51
  5. Step 5: Solve for x
    x = 124,201,110.51/15,282.13
  6. Step 6: Final answer
    x = 8,127.21

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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.