Home / 14,985.63-20,671.88-10,516.05

Finding the Fourth Proportional to 14,985.63, 20,671.88 and 10,516.05

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Solution

The fourth proportional to 14,985.63, 20,671.88 and 10,516.05 is: 14,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.63 : 20,671.88 = 10,516.05 : x
  2. Step 2: Convert to fraction form
    14,985.63/20,671.88 = 10,516.05/x
  3. Step 3: Cross multiply
    14,985.63x = 20,671.88 × 10,516.05
  4. Step 4: Simplify right side
    14,985.63x = 217,386,471.09
  5. Step 5: Solve for x
    x = 217,386,471.09/14,985.63
  6. Step 6: Final answer
    x = 14,506.33

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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.