Home / 17,855.19-24,639.80-9,897.35

Finding the Fourth Proportional to 17,855.19, 24,639.80 and 9,897.35

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Solution

The fourth proportional to 17,855.19, 24,639.80 and 9,897.35 is: 13,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.19 : 24,639.80 = 9,897.35 : x
  2. Step 2: Convert to fraction form
    17,855.19/24,639.80 = 9,897.35/x
  3. Step 3: Cross multiply
    17,855.19x = 24,639.80 × 9,897.35
  4. Step 4: Simplify right side
    17,855.19x = 243,868,551.84
  5. Step 5: Solve for x
    x = 243,868,551.84/17,855.19
  6. Step 6: Final answer
    x = 13,658.13

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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.