Home / 15,443.52-21,308.65-9,068.41

Finding the Fourth Proportional to 15,443.52, 21,308.65 and 9,068.41

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Solution

The fourth proportional to 15,443.52, 21,308.65 and 9,068.41 is: 12,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443.52 : 21,308.65 = 9,068.41 : x
  2. Step 2: Convert to fraction form
    15,443.52/21,308.65 = 9,068.41/x
  3. Step 3: Cross multiply
    15,443.52x = 21,308.65 × 9,068.41
  4. Step 4: Simplify right side
    15,443.52x = 193,235,574.75
  5. Step 5: Solve for x
    x = 193,235,574.75/15,443.52
  6. Step 6: Final answer
    x = 12,512.40

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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.