Home / 17,818.40-24,588.64-9,860.48

Finding the Fourth Proportional to 17,818.40, 24,588.64 and 9,860.48

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Solution

The fourth proportional to 17,818.40, 24,588.64 and 9,860.48 is: 13,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.40 : 24,588.64 = 9,860.48 : x
  2. Step 2: Convert to fraction form
    17,818.40/24,588.64 = 9,860.48/x
  3. Step 3: Cross multiply
    17,818.40x = 24,588.64 × 9,860.48
  4. Step 4: Simplify right side
    17,818.40x = 242,455,792.95
  5. Step 5: Solve for x
    x = 242,455,792.95/17,818.40
  6. Step 6: Final answer
    x = 13,607.05

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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.