Home / 14,031.32-21,050.64-5,266.40

Finding the Fourth Proportional to 14,031.32, 21,050.64 and 5,266.40

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Solution

The fourth proportional to 14,031.32, 21,050.64 and 5,266.40 is: 7,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.32 : 21,050.64 = 5,266.40 : x
  2. Step 2: Convert to fraction form
    14,031.32/21,050.64 = 5,266.40/x
  3. Step 3: Cross multiply
    14,031.32x = 21,050.64 × 5,266.40
  4. Step 4: Simplify right side
    14,031.32x = 110,861,090.50
  5. Step 5: Solve for x
    x = 110,861,090.50/14,031.32
  6. Step 6: Final answer
    x = 7,900.97

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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.