Home / 14,253.72-21,270.72-12,526.08

Finding the Fourth Proportional to 14,253.72, 21,270.72 and 12,526.08

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Solution

The fourth proportional to 14,253.72, 21,270.72 and 12,526.08 is: 18,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.72 : 21,270.72 = 12,526.08 : x
  2. Step 2: Convert to fraction form
    14,253.72/21,270.72 = 12,526.08/x
  3. Step 3: Cross multiply
    14,253.72x = 21,270.72 × 12,526.08
  4. Step 4: Simplify right side
    14,253.72x = 266,438,740.38
  5. Step 5: Solve for x
    x = 266,438,740.38/14,253.72
  6. Step 6: Final answer
    x = 18,692.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.