Home / 14,430.48-21,655.68-5,665.44

Finding the Fourth Proportional to 14,430.48, 21,655.68 and 5,665.44

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Solution

The fourth proportional to 14,430.48, 21,655.68 and 5,665.44 is: 8,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.48 : 21,655.68 = 5,665.44 : x
  2. Step 2: Convert to fraction form
    14,430.48/21,655.68 = 5,665.44/x
  3. Step 3: Cross multiply
    14,430.48x = 21,655.68 × 5,665.44
  4. Step 4: Simplify right side
    14,430.48x = 122,688,955.70
  5. Step 5: Solve for x
    x = 122,688,955.70/14,430.48
  6. Step 6: Final answer
    x = 8,502.07

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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.