Home / 14,439.51-21,650.36-5,670.45

Finding the Fourth Proportional to 14,439.51, 21,650.36 and 5,670.45

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Solution

The fourth proportional to 14,439.51, 21,650.36 and 5,670.45 is: 8,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.51 : 21,650.36 = 5,670.45 : x
  2. Step 2: Convert to fraction form
    14,439.51/21,650.36 = 5,670.45/x
  3. Step 3: Cross multiply
    14,439.51x = 21,650.36 × 5,670.45
  4. Step 4: Simplify right side
    14,439.51x = 122,767,255.51
  5. Step 5: Solve for x
    x = 122,767,255.51/14,439.51
  6. Step 6: Final answer
    x = 8,502.18

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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.