Home / 15,180.93-20,962.13-10,457.01

Finding the Fourth Proportional to 15,180.93, 20,962.13 and 10,457.01

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Solution

The fourth proportional to 15,180.93, 20,962.13 and 10,457.01 is: 14,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.93 : 20,962.13 = 10,457.01 : x
  2. Step 2: Convert to fraction form
    15,180.93/20,962.13 = 10,457.01/x
  3. Step 3: Cross multiply
    15,180.93x = 20,962.13 × 10,457.01
  4. Step 4: Simplify right side
    15,180.93x = 219,201,150.75
  5. Step 5: Solve for x
    x = 219,201,150.75/15,180.93
  6. Step 6: Final answer
    x = 14,439.24

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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.