Home / 15,655.08-21,604.68-9,366.24

Finding the Fourth Proportional to 15,655.08, 21,604.68 and 9,366.24

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Solution

The fourth proportional to 15,655.08, 21,604.68 and 9,366.24 is: 12,925.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.08 : 21,604.68 = 9,366.24 : x
  2. Step 2: Convert to fraction form
    15,655.08/21,604.68 = 9,366.24/x
  3. Step 3: Cross multiply
    15,655.08x = 21,604.68 × 9,366.24
  4. Step 4: Simplify right side
    15,655.08x = 202,354,618.00
  5. Step 5: Solve for x
    x = 202,354,618.00/15,655.08
  6. Step 6: Final answer
    x = 12,925.81

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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.