Home / 19,065.51-28,598.29-5,214.51

Finding the Fourth Proportional to 19,065.51, 28,598.29 and 5,214.51

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Solution

The fourth proportional to 19,065.51, 28,598.29 and 5,214.51 is: 7,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.51 : 28,598.29 = 5,214.51 : x
  2. Step 2: Convert to fraction form
    19,065.51/28,598.29 = 5,214.51/x
  3. Step 3: Cross multiply
    19,065.51x = 28,598.29 × 5,214.51
  4. Step 4: Simplify right side
    19,065.51x = 149,126,056.15
  5. Step 5: Solve for x
    x = 149,126,056.15/19,065.51
  6. Step 6: Final answer
    x = 7,821.77

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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.