Home / 15,568.16-21,477.20-10,530.54

Finding the Fourth Proportional to 15,568.16, 21,477.20 and 10,530.54

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Solution

The fourth proportional to 15,568.16, 21,477.20 and 10,530.54 is: 14,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.16 : 21,477.20 = 10,530.54 : x
  2. Step 2: Convert to fraction form
    15,568.16/21,477.20 = 10,530.54/x
  3. Step 3: Cross multiply
    15,568.16x = 21,477.20 × 10,530.54
  4. Step 4: Simplify right side
    15,568.16x = 226,166,513.69
  5. Step 5: Solve for x
    x = 226,166,513.69/15,568.16
  6. Step 6: Final answer
    x = 14,527.50

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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.