Home / 19,688.23-29,406.85-17,811.24

Finding the Fourth Proportional to 19,688.23, 29,406.85 and 17,811.24

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Solution

The fourth proportional to 19,688.23, 29,406.85 and 17,811.24 is: 26,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.23 : 29,406.85 = 17,811.24 : x
  2. Step 2: Convert to fraction form
    19,688.23/29,406.85 = 17,811.24/x
  3. Step 3: Cross multiply
    19,688.23x = 29,406.85 × 17,811.24
  4. Step 4: Simplify right side
    19,688.23x = 523,772,495.35
  5. Step 5: Solve for x
    x = 523,772,495.35/19,688.23
  6. Step 6: Final answer
    x = 26,603.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.