Home / 14,430.48-19,900.26-8,766.15

Finding the Fourth Proportional to 14,430.48, 19,900.26 and 8,766.15

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Solution

The fourth proportional to 14,430.48, 19,900.26 and 8,766.15 is: 12,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.48 : 19,900.26 = 8,766.15 : x
  2. Step 2: Convert to fraction form
    14,430.48/19,900.26 = 8,766.15/x
  3. Step 3: Cross multiply
    14,430.48x = 19,900.26 × 8,766.15
  4. Step 4: Simplify right side
    14,430.48x = 174,448,664.20
  5. Step 5: Solve for x
    x = 174,448,664.20/14,430.48
  6. Step 6: Final answer
    x = 12,088.90

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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.