Home / 15,985.76-22,069.67-10,615.46

Finding the Fourth Proportional to 15,985.76, 22,069.67 and 10,615.46

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Solution

The fourth proportional to 15,985.76, 22,069.67 and 10,615.46 is: 14,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.76 : 22,069.67 = 10,615.46 : x
  2. Step 2: Convert to fraction form
    15,985.76/22,069.67 = 10,615.46/x
  3. Step 3: Cross multiply
    15,985.76x = 22,069.67 × 10,615.46
  4. Step 4: Simplify right side
    15,985.76x = 234,279,535.67
  5. Step 5: Solve for x
    x = 234,279,535.67/15,985.76
  6. Step 6: Final answer
    x = 14,655.52

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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.