Home / 21,653,408.48-29,871,687.16-19,175,154.76

Finding the Fourth Proportional to 21,653,408.48, 29,871,687.16 and 19,175,154.76

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Solution

The fourth proportional to 21,653,408.48, 29,871,687.16 and 19,175,154.76 is: 26,452,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653,408.48 : 29,871,687.16 = 19,175,154.76 : x
  2. Step 2: Convert to fraction form
    21,653,408.48/29,871,687.16 = 19,175,154.76/x
  3. Step 3: Cross multiply
    21,653,408.48x = 29,871,687.16 × 19,175,154.76
  4. Step 4: Simplify right side
    21,653,408.48x = 572,794,224,128,585.12
  5. Step 5: Solve for x
    x = 572,794,224,128,585.12/21,653,408.48
  6. Step 6: Final answer
    x = 26,452,843.42

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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.