Home / 19,312.62-26,645.20-10,813.49

Finding the Fourth Proportional to 19,312.62, 26,645.20 and 10,813.49

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Solution

The fourth proportional to 19,312.62, 26,645.20 and 10,813.49 is: 14,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.62 : 26,645.20 = 10,813.49 : x
  2. Step 2: Convert to fraction form
    19,312.62/26,645.20 = 10,813.49/x
  3. Step 3: Cross multiply
    19,312.62x = 26,645.20 × 10,813.49
  4. Step 4: Simplify right side
    19,312.62x = 288,127,603.75
  5. Step 5: Solve for x
    x = 288,127,603.75/19,312.62
  6. Step 6: Final answer
    x = 14,919.14

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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.