Home / 17,870.29-24,646.14-13,403.95

Finding the Fourth Proportional to 17,870.29, 24,646.14 and 13,403.95

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Solution

The fourth proportional to 17,870.29, 24,646.14 and 13,403.95 is: 18,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.29 : 24,646.14 = 13,403.95 : x
  2. Step 2: Convert to fraction form
    17,870.29/24,646.14 = 13,403.95/x
  3. Step 3: Cross multiply
    17,870.29x = 24,646.14 × 13,403.95
  4. Step 4: Simplify right side
    17,870.29x = 330,355,566.64
  5. Step 5: Solve for x
    x = 330,355,566.64/17,870.29
  6. Step 6: Final answer
    x = 18,486.30

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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.