Home / 18,603.04-25,678.93-12,317.44

Finding the Fourth Proportional to 18,603.04, 25,678.93 and 12,317.44

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Solution

The fourth proportional to 18,603.04, 25,678.93 and 12,317.44 is: 17,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.04 : 25,678.93 = 12,317.44 : x
  2. Step 2: Convert to fraction form
    18,603.04/25,678.93 = 12,317.44/x
  3. Step 3: Cross multiply
    18,603.04x = 25,678.93 × 12,317.44
  4. Step 4: Simplify right side
    18,603.04x = 316,298,551.14
  5. Step 5: Solve for x
    x = 316,298,551.14/18,603.04
  6. Step 6: Final answer
    x = 17,002.52

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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.