Home / 12,515.95-17,253.60-9,526.58

Finding the Fourth Proportional to 12,515.95, 17,253.60 and 9,526.58

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Solution

The fourth proportional to 12,515.95, 17,253.60 and 9,526.58 is: 13,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.95 : 17,253.60 = 9,526.58 : x
  2. Step 2: Convert to fraction form
    12,515.95/17,253.60 = 9,526.58/x
  3. Step 3: Cross multiply
    12,515.95x = 17,253.60 × 9,526.58
  4. Step 4: Simplify right side
    12,515.95x = 164,367,714.42
  5. Step 5: Solve for x
    x = 164,367,714.42/12,515.95
  6. Step 6: Final answer
    x = 13,132.67

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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.