Home / 42,894.06-64,349.67-14,815.14

Finding the Fourth Proportional to 42,894.06, 64,349.67 and 14,815.14

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Solution

The fourth proportional to 42,894.06, 64,349.67 and 14,815.14 is: 22,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,894.06 : 64,349.67 = 14,815.14 : x
  2. Step 2: Convert to fraction form
    42,894.06/64,349.67 = 14,815.14/x
  3. Step 3: Cross multiply
    42,894.06x = 64,349.67 × 14,815.14
  4. Step 4: Simplify right side
    42,894.06x = 953,349,370.00
  5. Step 5: Solve for x
    x = 953,349,370.00/42,894.06
  6. Step 6: Final answer
    x = 22,225.67

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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.