Home / 16,617.16-22,916.28-12,378.61

Finding the Fourth Proportional to 16,617.16, 22,916.28 and 12,378.61

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Solution

The fourth proportional to 16,617.16, 22,916.28 and 12,378.61 is: 17,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,617.16 : 22,916.28 = 12,378.61 : x
  2. Step 2: Convert to fraction form
    16,617.16/22,916.28 = 12,378.61/x
  3. Step 3: Cross multiply
    16,617.16x = 22,916.28 × 12,378.61
  4. Step 4: Simplify right side
    16,617.16x = 283,671,692.77
  5. Step 5: Solve for x
    x = 283,671,692.77/16,617.16
  6. Step 6: Final answer
    x = 17,071.01

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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.