Home / 19,374.18-26,762.34-15,612

Finding the Fourth Proportional to 19,374.18, 26,762.34 and 15,612

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Solution

The fourth proportional to 19,374.18, 26,762.34 and 15,612 is: 21,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.18 : 26,762.34 = 15,612 : x
  2. Step 2: Convert to fraction form
    19,374.18/26,762.34 = 15,612/x
  3. Step 3: Cross multiply
    19,374.18x = 26,762.34 × 15,612
  4. Step 4: Simplify right side
    19,374.18x = 417,813,652.08
  5. Step 5: Solve for x
    x = 417,813,652.08/19,374.18
  6. Step 6: Final answer
    x = 21,565.49

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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.