Home / 25,036.11-34,548.48-13,703.40

Finding the Fourth Proportional to 25,036.11, 34,548.48 and 13,703.40

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Solution

The fourth proportional to 25,036.11, 34,548.48 and 13,703.40 is: 18,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,036.11 : 34,548.48 = 13,703.40 : x
  2. Step 2: Convert to fraction form
    25,036.11/34,548.48 = 13,703.40/x
  3. Step 3: Cross multiply
    25,036.11x = 34,548.48 × 13,703.40
  4. Step 4: Simplify right side
    25,036.11x = 473,431,640.83
  5. Step 5: Solve for x
    x = 473,431,640.83/25,036.11
  6. Step 6: Final answer
    x = 18,909.95

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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.