Home / 19,703.79-29,555.28-5,663.93

Finding the Fourth Proportional to 19,703.79, 29,555.28 and 5,663.93

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Solution

The fourth proportional to 19,703.79, 29,555.28 and 5,663.93 is: 8,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.79 : 29,555.28 = 5,663.93 : x
  2. Step 2: Convert to fraction form
    19,703.79/29,555.28 = 5,663.93/x
  3. Step 3: Cross multiply
    19,703.79x = 29,555.28 × 5,663.93
  4. Step 4: Simplify right side
    19,703.79x = 167,398,889.27
  5. Step 5: Solve for x
    x = 167,398,889.27/19,703.79
  6. Step 6: Final answer
    x = 8,495.77

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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.