Home / 15,225.81-22,801.44-12,577.11

Finding the Fourth Proportional to 15,225.81, 22,801.44 and 12,577.11

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Solution

The fourth proportional to 15,225.81, 22,801.44 and 12,577.11 is: 18,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,225.81 : 22,801.44 = 12,577.11 : x
  2. Step 2: Convert to fraction form
    15,225.81/22,801.44 = 12,577.11/x
  3. Step 3: Cross multiply
    15,225.81x = 22,801.44 × 12,577.11
  4. Step 4: Simplify right side
    15,225.81x = 286,776,219.04
  5. Step 5: Solve for x
    x = 286,776,219.04/15,225.81
  6. Step 6: Final answer
    x = 18,834.87

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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.