Home / 15,255.76-21,062.74-10,474.16

Finding the Fourth Proportional to 15,255.76, 21,062.74 and 10,474.16

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Solution

The fourth proportional to 15,255.76, 21,062.74 and 10,474.16 is: 14,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.76 : 21,062.74 = 10,474.16 : x
  2. Step 2: Convert to fraction form
    15,255.76/21,062.74 = 10,474.16/x
  3. Step 3: Cross multiply
    15,255.76x = 21,062.74 × 10,474.16
  4. Step 4: Simplify right side
    15,255.76x = 220,614,554.91
  5. Step 5: Solve for x
    x = 220,614,554.91/15,255.76
  6. Step 6: Final answer
    x = 14,461.06

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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.