Home / 19,330.45-29,127.35-15,897.36

Finding the Fourth Proportional to 19,330.45, 29,127.35 and 15,897.36

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Solution

The fourth proportional to 19,330.45, 29,127.35 and 15,897.36 is: 23,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.45 : 29,127.35 = 15,897.36 : x
  2. Step 2: Convert to fraction form
    19,330.45/29,127.35 = 15,897.36/x
  3. Step 3: Cross multiply
    19,330.45x = 29,127.35 × 15,897.36
  4. Step 4: Simplify right side
    19,330.45x = 463,048,028.34
  5. Step 5: Solve for x
    x = 463,048,028.34/19,330.45
  6. Step 6: Final answer
    x = 23,954.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.