Home / 14,924.72-20,595.36-8,955.20

Finding the Fourth Proportional to 14,924.72, 20,595.36 and 8,955.20

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Solution

The fourth proportional to 14,924.72, 20,595.36 and 8,955.20 is: 12,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,924.72 : 20,595.36 = 8,955.20 : x
  2. Step 2: Convert to fraction form
    14,924.72/20,595.36 = 8,955.20/x
  3. Step 3: Cross multiply
    14,924.72x = 20,595.36 × 8,955.20
  4. Step 4: Simplify right side
    14,924.72x = 184,435,567.87
  5. Step 5: Solve for x
    x = 184,435,567.87/14,924.72
  6. Step 6: Final answer
    x = 12,357.72

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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.