Home / 27,516.16-37,973.64-15,580

Finding the Fourth Proportional to 27,516.16, 37,973.64 and 15,580

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Solution

The fourth proportional to 27,516.16, 37,973.64 and 15,580 is: 21,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,516.16 : 37,973.64 = 15,580 : x
  2. Step 2: Convert to fraction form
    27,516.16/37,973.64 = 15,580/x
  3. Step 3: Cross multiply
    27,516.16x = 37,973.64 × 15,580
  4. Step 4: Simplify right side
    27,516.16x = 591,629,311.20
  5. Step 5: Solve for x
    x = 591,629,311.20/27,516.16
  6. Step 6: Final answer
    x = 21,501.16

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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.