Home / 14,052.81-19,386.25-8,384.32

Finding the Fourth Proportional to 14,052.81, 19,386.25 and 8,384.32

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Solution

The fourth proportional to 14,052.81, 19,386.25 and 8,384.32 is: 11,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.81 : 19,386.25 = 8,384.32 : x
  2. Step 2: Convert to fraction form
    14,052.81/19,386.25 = 8,384.32/x
  3. Step 3: Cross multiply
    14,052.81x = 19,386.25 × 8,384.32
  4. Step 4: Simplify right side
    14,052.81x = 162,540,523.60
  5. Step 5: Solve for x
    x = 162,540,523.60/14,052.81
  6. Step 6: Final answer
    x = 11,566.41

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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.