Home / 19,176.40-26,457.08-11,212.99

Finding the Fourth Proportional to 19,176.40, 26,457.08 and 11,212.99

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Solution

The fourth proportional to 19,176.40, 26,457.08 and 11,212.99 is: 15,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.40 : 26,457.08 = 11,212.99 : x
  2. Step 2: Convert to fraction form
    19,176.40/26,457.08 = 11,212.99/x
  3. Step 3: Cross multiply
    19,176.40x = 26,457.08 × 11,212.99
  4. Step 4: Simplify right side
    19,176.40x = 296,662,935.36
  5. Step 5: Solve for x
    x = 296,662,935.36/19,176.40
  6. Step 6: Final answer
    x = 15,470.21

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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.