Home / 14,775.36-20,390.01-8,061.02

Finding the Fourth Proportional to 14,775.36, 20,390.01 and 8,061.02

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Solution

The fourth proportional to 14,775.36, 20,390.01 and 8,061.02 is: 11,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.36 : 20,390.01 = 8,061.02 : x
  2. Step 2: Convert to fraction form
    14,775.36/20,390.01 = 8,061.02/x
  3. Step 3: Cross multiply
    14,775.36x = 20,390.01 × 8,061.02
  4. Step 4: Simplify right side
    14,775.36x = 164,364,176.46
  5. Step 5: Solve for x
    x = 164,364,176.46/14,775.36
  6. Step 6: Final answer
    x = 11,124.21

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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.