Home / 13,454.53-18,572.28-11,558.52

Finding the Fourth Proportional to 13,454.53, 18,572.28 and 11,558.52

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Solution

The fourth proportional to 13,454.53, 18,572.28 and 11,558.52 is: 15,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.53 : 18,572.28 = 11,558.52 : x
  2. Step 2: Convert to fraction form
    13,454.53/18,572.28 = 11,558.52/x
  3. Step 3: Cross multiply
    13,454.53x = 18,572.28 × 11,558.52
  4. Step 4: Simplify right side
    13,454.53x = 214,668,069.83
  5. Step 5: Solve for x
    x = 214,668,069.83/13,454.53
  6. Step 6: Final answer
    x = 15,955.08

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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.