Home / 13,925.68-20,867.02-9,405.02

Finding the Fourth Proportional to 13,925.68, 20,867.02 and 9,405.02

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Solution

The fourth proportional to 13,925.68, 20,867.02 and 9,405.02 is: 14,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.68 : 20,867.02 = 9,405.02 : x
  2. Step 2: Convert to fraction form
    13,925.68/20,867.02 = 9,405.02/x
  3. Step 3: Cross multiply
    13,925.68x = 20,867.02 × 9,405.02
  4. Step 4: Simplify right side
    13,925.68x = 196,254,693.42
  5. Step 5: Solve for x
    x = 196,254,693.42/13,925.68
  6. Step 6: Final answer
    x = 14,093.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.