Home / 19,457.49-26,851.37-11,503.65

Finding the Fourth Proportional to 19,457.49, 26,851.37 and 11,503.65

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Solution

The fourth proportional to 19,457.49, 26,851.37 and 11,503.65 is: 15,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.49 : 26,851.37 = 11,503.65 : x
  2. Step 2: Convert to fraction form
    19,457.49/26,851.37 = 11,503.65/x
  3. Step 3: Cross multiply
    19,457.49x = 26,851.37 × 11,503.65
  4. Step 4: Simplify right side
    19,457.49x = 308,888,704.98
  5. Step 5: Solve for x
    x = 308,888,704.98/19,457.49
  6. Step 6: Final answer
    x = 15,875.05

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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.