Home / 13,823.84-19,077.48-7,536.56

Finding the Fourth Proportional to 13,823.84, 19,077.48 and 7,536.56

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Solution

The fourth proportional to 13,823.84, 19,077.48 and 7,536.56 is: 10,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.84 : 19,077.48 = 7,536.56 : x
  2. Step 2: Convert to fraction form
    13,823.84/19,077.48 = 7,536.56/x
  3. Step 3: Cross multiply
    13,823.84x = 19,077.48 × 7,536.56
  4. Step 4: Simplify right side
    13,823.84x = 143,778,572.67
  5. Step 5: Solve for x
    x = 143,778,572.67/13,823.84
  6. Step 6: Final answer
    x = 10,400.77

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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.