Home / 19,328.80-29,036.40-18,541.60

Finding the Fourth Proportional to 19,328.80, 29,036.40 and 18,541.60

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Solution

The fourth proportional to 19,328.80, 29,036.40 and 18,541.60 is: 27,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.80 : 29,036.40 = 18,541.60 : x
  2. Step 2: Convert to fraction form
    19,328.80/29,036.40 = 18,541.60/x
  3. Step 3: Cross multiply
    19,328.80x = 29,036.40 × 18,541.60
  4. Step 4: Simplify right side
    19,328.80x = 538,381,314.24
  5. Step 5: Solve for x
    x = 538,381,314.24/19,328.80
  6. Step 6: Final answer
    x = 27,853.84

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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.