Home / 19,174.77-28,804.08-13,663.53

Finding the Fourth Proportional to 19,174.77, 28,804.08 and 13,663.53

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Solution

The fourth proportional to 19,174.77, 28,804.08 and 13,663.53 is: 20,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.77 : 28,804.08 = 13,663.53 : x
  2. Step 2: Convert to fraction form
    19,174.77/28,804.08 = 13,663.53/x
  3. Step 3: Cross multiply
    19,174.77x = 28,804.08 × 13,663.53
  4. Step 4: Simplify right side
    19,174.77x = 393,565,411.20
  5. Step 5: Solve for x
    x = 393,565,411.20/19,174.77
  6. Step 6: Final answer
    x = 20,525.17

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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.