Home / 19,670.80-29,457.60-14,661.16

Finding the Fourth Proportional to 19,670.80, 29,457.60 and 14,661.16

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Solution

The fourth proportional to 19,670.80, 29,457.60 and 14,661.16 is: 21,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.80 : 29,457.60 = 14,661.16 : x
  2. Step 2: Convert to fraction form
    19,670.80/29,457.60 = 14,661.16/x
  3. Step 3: Cross multiply
    19,670.80x = 29,457.60 × 14,661.16
  4. Step 4: Simplify right side
    19,670.80x = 431,882,586.82
  5. Step 5: Solve for x
    x = 431,882,586.82/19,670.80
  6. Step 6: Final answer
    x = 21,955.52

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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.