Home / 15,597.76-21,539.36-10,018.56

Finding the Fourth Proportional to 15,597.76, 21,539.36 and 10,018.56

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Solution

The fourth proportional to 15,597.76, 21,539.36 and 10,018.56 is: 13,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.76 : 21,539.36 = 10,018.56 : x
  2. Step 2: Convert to fraction form
    15,597.76/21,539.36 = 10,018.56/x
  3. Step 3: Cross multiply
    15,597.76x = 21,539.36 × 10,018.56
  4. Step 4: Simplify right side
    15,597.76x = 215,793,370.52
  5. Step 5: Solve for x
    x = 215,793,370.52/15,597.76
  6. Step 6: Final answer
    x = 13,834.89

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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.