Home / 19,707.12-29,557.50-5,663.95

Finding the Fourth Proportional to 19,707.12, 29,557.50 and 5,663.95

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Solution

The fourth proportional to 19,707.12, 29,557.50 and 5,663.95 is: 8,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.12 : 29,557.50 = 5,663.95 : x
  2. Step 2: Convert to fraction form
    19,707.12/29,557.50 = 5,663.95/x
  3. Step 3: Cross multiply
    19,707.12x = 29,557.50 × 5,663.95
  4. Step 4: Simplify right side
    19,707.12x = 167,412,142.39
  5. Step 5: Solve for x
    x = 167,412,142.39/19,707.12
  6. Step 6: Final answer
    x = 8,495.01

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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.