Home / 14,548.49-20,071.65-9,515.58

Finding the Fourth Proportional to 14,548.49, 20,071.65 and 9,515.58

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Solution

The fourth proportional to 14,548.49, 20,071.65 and 9,515.58 is: 13,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.49 : 20,071.65 = 9,515.58 : x
  2. Step 2: Convert to fraction form
    14,548.49/20,071.65 = 9,515.58/x
  3. Step 3: Cross multiply
    14,548.49x = 20,071.65 × 9,515.58
  4. Step 4: Simplify right side
    14,548.49x = 190,993,298.20
  5. Step 5: Solve for x
    x = 190,993,298.20/14,548.49
  6. Step 6: Final answer
    x = 13,128.05

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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.