Home / 19,212.02-26,521.44-13,551.38

Finding the Fourth Proportional to 19,212.02, 26,521.44 and 13,551.38

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Solution

The fourth proportional to 19,212.02, 26,521.44 and 13,551.38 is: 18,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.02 : 26,521.44 = 13,551.38 : x
  2. Step 2: Convert to fraction form
    19,212.02/26,521.44 = 13,551.38/x
  3. Step 3: Cross multiply
    19,212.02x = 26,521.44 × 13,551.38
  4. Step 4: Simplify right side
    19,212.02x = 359,402,111.59
  5. Step 5: Solve for x
    x = 359,402,111.59/19,212.02
  6. Step 6: Final answer
    x = 18,707.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.