Home / 15,390.84-23,089.38-4,862.49

Finding the Fourth Proportional to 15,390.84, 23,089.38 and 4,862.49

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Solution

The fourth proportional to 15,390.84, 23,089.38 and 4,862.49 is: 7,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.84 : 23,089.38 = 4,862.49 : x
  2. Step 2: Convert to fraction form
    15,390.84/23,089.38 = 4,862.49/x
  3. Step 3: Cross multiply
    15,390.84x = 23,089.38 × 4,862.49
  4. Step 4: Simplify right side
    15,390.84x = 112,271,879.36
  5. Step 5: Solve for x
    x = 112,271,879.36/15,390.84
  6. Step 6: Final answer
    x = 7,294.72

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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.