Home / 15,712.48-23,557.77-7,384.50

Finding the Fourth Proportional to 15,712.48, 23,557.77 and 7,384.50

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Solution

The fourth proportional to 15,712.48, 23,557.77 and 7,384.50 is: 11,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,712.48 : 23,557.77 = 7,384.50 : x
  2. Step 2: Convert to fraction form
    15,712.48/23,557.77 = 7,384.50/x
  3. Step 3: Cross multiply
    15,712.48x = 23,557.77 × 7,384.50
  4. Step 4: Simplify right side
    15,712.48x = 173,962,352.57
  5. Step 5: Solve for x
    x = 173,962,352.57/15,712.48
  6. Step 6: Final answer
    x = 11,071.60

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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.