Home / 14,158.39-19,528.27-9,677.47

Finding the Fourth Proportional to 14,158.39, 19,528.27 and 9,677.47

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Solution

The fourth proportional to 14,158.39, 19,528.27 and 9,677.47 is: 13,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.39 : 19,528.27 = 9,677.47 : x
  2. Step 2: Convert to fraction form
    14,158.39/19,528.27 = 9,677.47/x
  3. Step 3: Cross multiply
    14,158.39x = 19,528.27 × 9,677.47
  4. Step 4: Simplify right side
    14,158.39x = 188,984,247.08
  5. Step 5: Solve for x
    x = 188,984,247.08/14,158.39
  6. Step 6: Final answer
    x = 13,347.86

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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.