Home / 14,301.77-21,445.34-5,979.51

Finding the Fourth Proportional to 14,301.77, 21,445.34 and 5,979.51

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Solution

The fourth proportional to 14,301.77, 21,445.34 and 5,979.51 is: 8,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.77 : 21,445.34 = 5,979.51 : x
  2. Step 2: Convert to fraction form
    14,301.77/21,445.34 = 5,979.51/x
  3. Step 3: Cross multiply
    14,301.77x = 21,445.34 × 5,979.51
  4. Step 4: Simplify right side
    14,301.77x = 128,232,595.09
  5. Step 5: Solve for x
    x = 128,232,595.09/14,301.77
  6. Step 6: Final answer
    x = 8,966.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.