Home / 19,130.39-28,503.31-18,056.08

Finding the Fourth Proportional to 19,130.39, 28,503.31 and 18,056.08

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Solution

The fourth proportional to 19,130.39, 28,503.31 and 18,056.08 is: 26,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.39 : 28,503.31 = 18,056.08 : x
  2. Step 2: Convert to fraction form
    19,130.39/28,503.31 = 18,056.08/x
  3. Step 3: Cross multiply
    19,130.39x = 28,503.31 × 18,056.08
  4. Step 4: Simplify right side
    19,130.39x = 514,658,045.62
  5. Step 5: Solve for x
    x = 514,658,045.62/19,130.39
  6. Step 6: Final answer
    x = 26,902.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.