Home / 42,897.42-64,347.30-11,732.67

Finding the Fourth Proportional to 42,897.42, 64,347.30 and 11,732.67

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Solution

The fourth proportional to 42,897.42, 64,347.30 and 11,732.67 is: 17,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,897.42 : 64,347.30 = 11,732.67 : x
  2. Step 2: Convert to fraction form
    42,897.42/64,347.30 = 11,732.67/x
  3. Step 3: Cross multiply
    42,897.42x = 64,347.30 × 11,732.67
  4. Step 4: Simplify right side
    42,897.42x = 754,965,636.29
  5. Step 5: Solve for x
    x = 754,965,636.29/42,897.42
  6. Step 6: Final answer
    x = 17,599.33

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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.