Home / 15,962.18-22,030.44-12,178.22

Finding the Fourth Proportional to 15,962.18, 22,030.44 and 12,178.22

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Solution

The fourth proportional to 15,962.18, 22,030.44 and 12,178.22 is: 16,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,962.18 : 22,030.44 = 12,178.22 : x
  2. Step 2: Convert to fraction form
    15,962.18/22,030.44 = 12,178.22/x
  3. Step 3: Cross multiply
    15,962.18x = 22,030.44 × 12,178.22
  4. Step 4: Simplify right side
    15,962.18x = 268,291,545.02
  5. Step 5: Solve for x
    x = 268,291,545.02/15,962.18
  6. Step 6: Final answer
    x = 16,807.95

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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.