Home / 19,903.07-29,619.67-19,238.77

Finding the Fourth Proportional to 19,903.07, 29,619.67 and 19,238.77

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Solution

The fourth proportional to 19,903.07, 29,619.67 and 19,238.77 is: 28,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.07 : 29,619.67 = 19,238.77 : x
  2. Step 2: Convert to fraction form
    19,903.07/29,619.67 = 19,238.77/x
  3. Step 3: Cross multiply
    19,903.07x = 29,619.67 × 19,238.77
  4. Step 4: Simplify right side
    19,903.07x = 569,845,863.47
  5. Step 5: Solve for x
    x = 569,845,863.47/19,903.07
  6. Step 6: Final answer
    x = 28,631.06

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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.