Home / 15,052.72-20,776.21-10,017.16

Finding the Fourth Proportional to 15,052.72, 20,776.21 and 10,017.16

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Solution

The fourth proportional to 15,052.72, 20,776.21 and 10,017.16 is: 13,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.72 : 20,776.21 = 10,017.16 : x
  2. Step 2: Convert to fraction form
    15,052.72/20,776.21 = 10,017.16/x
  3. Step 3: Cross multiply
    15,052.72x = 20,776.21 × 10,017.16
  4. Step 4: Simplify right side
    15,052.72x = 208,118,619.76
  5. Step 5: Solve for x
    x = 208,118,619.76/15,052.72
  6. Step 6: Final answer
    x = 13,825.98

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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.