Home / 14,088.09-19,442.18-7,800.47

Finding the Fourth Proportional to 14,088.09, 19,442.18 and 7,800.47

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Solution

The fourth proportional to 14,088.09, 19,442.18 and 7,800.47 is: 10,764.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.09 : 19,442.18 = 7,800.47 : x
  2. Step 2: Convert to fraction form
    14,088.09/19,442.18 = 7,800.47/x
  3. Step 3: Cross multiply
    14,088.09x = 19,442.18 × 7,800.47
  4. Step 4: Simplify right side
    14,088.09x = 151,658,137.02
  5. Step 5: Solve for x
    x = 151,658,137.02/14,088.09
  6. Step 6: Final answer
    x = 10,764.99

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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.