Home / 14,030.64-21,045.96-4,170.06

Finding the Fourth Proportional to 14,030.64, 21,045.96 and 4,170.06

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Solution

The fourth proportional to 14,030.64, 21,045.96 and 4,170.06 is: 6,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.64 : 21,045.96 = 4,170.06 : x
  2. Step 2: Convert to fraction form
    14,030.64/21,045.96 = 4,170.06/x
  3. Step 3: Cross multiply
    14,030.64x = 21,045.96 × 4,170.06
  4. Step 4: Simplify right side
    14,030.64x = 87,762,915.96
  5. Step 5: Solve for x
    x = 87,762,915.96/14,030.64
  6. Step 6: Final answer
    x = 6,255.09

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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.