Home / 19,261.98-26,603.47-12,963.42

Finding the Fourth Proportional to 19,261.98, 26,603.47 and 12,963.42

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Solution

The fourth proportional to 19,261.98, 26,603.47 and 12,963.42 is: 17,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.98 : 26,603.47 = 12,963.42 : x
  2. Step 2: Convert to fraction form
    19,261.98/26,603.47 = 12,963.42/x
  3. Step 3: Cross multiply
    19,261.98x = 26,603.47 × 12,963.42
  4. Step 4: Simplify right side
    19,261.98x = 344,871,955.07
  5. Step 5: Solve for x
    x = 344,871,955.07/19,261.98
  6. Step 6: Final answer
    x = 17,904.28

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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.