Home / 14,515.39-20,030.76-8,547.41

Finding the Fourth Proportional to 14,515.39, 20,030.76 and 8,547.41

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Solution

The fourth proportional to 14,515.39, 20,030.76 and 8,547.41 is: 11,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.39 : 20,030.76 = 8,547.41 : x
  2. Step 2: Convert to fraction form
    14,515.39/20,030.76 = 8,547.41/x
  3. Step 3: Cross multiply
    14,515.39x = 20,030.76 × 8,547.41
  4. Step 4: Simplify right side
    14,515.39x = 171,211,118.33
  5. Step 5: Solve for x
    x = 171,211,118.33/14,515.39
  6. Step 6: Final answer
    x = 11,795.14

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Double scale
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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.