Home / 15,599.23-21,526.90-8,525.70

Finding the Fourth Proportional to 15,599.23, 21,526.90 and 8,525.70

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Solution

The fourth proportional to 15,599.23, 21,526.90 and 8,525.70 is: 11,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.23 : 21,526.90 = 8,525.70 : x
  2. Step 2: Convert to fraction form
    15,599.23/21,526.90 = 8,525.70/x
  3. Step 3: Cross multiply
    15,599.23x = 21,526.90 × 8,525.70
  4. Step 4: Simplify right side
    15,599.23x = 183,531,870.02
  5. Step 5: Solve for x
    x = 183,531,870.02/15,599.23
  6. Step 6: Final answer
    x = 11,765.45

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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.