Home / 14,178.60-21,270.47-5,854.10

Finding the Fourth Proportional to 14,178.60, 21,270.47 and 5,854.10

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Solution

The fourth proportional to 14,178.60, 21,270.47 and 5,854.10 is: 8,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.60 : 21,270.47 = 5,854.10 : x
  2. Step 2: Convert to fraction form
    14,178.60/21,270.47 = 5,854.10/x
  3. Step 3: Cross multiply
    14,178.60x = 21,270.47 × 5,854.10
  4. Step 4: Simplify right side
    14,178.60x = 124,519,322.80
  5. Step 5: Solve for x
    x = 124,519,322.80/14,178.60
  6. Step 6: Final answer
    x = 8,782.20

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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.