Home / 36,210.19-54,315.33-9,915.16

Finding the Fourth Proportional to 36,210.19, 54,315.33 and 9,915.16

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Solution

The fourth proportional to 36,210.19, 54,315.33 and 9,915.16 is: 14,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,210.19 : 54,315.33 = 9,915.16 : x
  2. Step 2: Convert to fraction form
    36,210.19/54,315.33 = 9,915.16/x
  3. Step 3: Cross multiply
    36,210.19x = 54,315.33 × 9,915.16
  4. Step 4: Simplify right side
    36,210.19x = 538,545,187.40
  5. Step 5: Solve for x
    x = 538,545,187.40/36,210.19
  6. Step 6: Final answer
    x = 14,872.75

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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.