Home / 19,518.08-29,277.20-4,726.98

Finding the Fourth Proportional to 19,518.08, 29,277.20 and 4,726.98

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Solution

The fourth proportional to 19,518.08, 29,277.20 and 4,726.98 is: 7,090.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.08 : 29,277.20 = 4,726.98 : x
  2. Step 2: Convert to fraction form
    19,518.08/29,277.20 = 4,726.98/x
  3. Step 3: Cross multiply
    19,518.08x = 29,277.20 × 4,726.98
  4. Step 4: Simplify right side
    19,518.08x = 138,392,715.22
  5. Step 5: Solve for x
    x = 138,392,715.22/19,518.08
  6. Step 6: Final answer
    x = 7,090.49

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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.