Home / 19,053.21-26,343.60-16,688.58

Finding the Fourth Proportional to 19,053.21, 26,343.60 and 16,688.58

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Solution

The fourth proportional to 19,053.21, 26,343.60 and 16,688.58 is: 23,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.21 : 26,343.60 = 16,688.58 : x
  2. Step 2: Convert to fraction form
    19,053.21/26,343.60 = 16,688.58/x
  3. Step 3: Cross multiply
    19,053.21x = 26,343.60 × 16,688.58
  4. Step 4: Simplify right side
    19,053.21x = 439,637,276.09
  5. Step 5: Solve for x
    x = 439,637,276.09/19,053.21
  6. Step 6: Final answer
    x = 23,074.18

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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.