Home / 15,094.96-20,823.80-10,621.18

Finding the Fourth Proportional to 15,094.96, 20,823.80 and 10,621.18

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Solution

The fourth proportional to 15,094.96, 20,823.80 and 10,621.18 is: 14,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.96 : 20,823.80 = 10,621.18 : x
  2. Step 2: Convert to fraction form
    15,094.96/20,823.80 = 10,621.18/x
  3. Step 3: Cross multiply
    15,094.96x = 20,823.80 × 10,621.18
  4. Step 4: Simplify right side
    15,094.96x = 221,173,223.97
  5. Step 5: Solve for x
    x = 221,173,223.97/15,094.96
  6. Step 6: Final answer
    x = 14,652.13

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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.