Home / 15,598.35-21,528.15-9,935.54

Finding the Fourth Proportional to 15,598.35, 21,528.15 and 9,935.54

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Solution

The fourth proportional to 15,598.35, 21,528.15 and 9,935.54 is: 13,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.35 : 21,528.15 = 9,935.54 : x
  2. Step 2: Convert to fraction form
    15,598.35/21,528.15 = 9,935.54/x
  3. Step 3: Cross multiply
    15,598.35x = 21,528.15 × 9,935.54
  4. Step 4: Simplify right side
    15,598.35x = 213,893,795.45
  5. Step 5: Solve for x
    x = 213,893,795.45/15,598.35
  6. Step 6: Final answer
    x = 13,712.59

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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.