Home / 15,958.89-22,013.10-10,581.30

Finding the Fourth Proportional to 15,958.89, 22,013.10 and 10,581.30

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Solution

The fourth proportional to 15,958.89, 22,013.10 and 10,581.30 is: 14,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.89 : 22,013.10 = 10,581.30 : x
  2. Step 2: Convert to fraction form
    15,958.89/22,013.10 = 10,581.30/x
  3. Step 3: Cross multiply
    15,958.89x = 22,013.10 × 10,581.30
  4. Step 4: Simplify right side
    15,958.89x = 232,927,215.03
  5. Step 5: Solve for x
    x = 232,927,215.03/15,958.89
  6. Step 6: Final answer
    x = 14,595.45

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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.