Home / 25,114.51-37,602.65-20,423.53

Finding the Fourth Proportional to 25,114.51, 37,602.65 and 20,423.53

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Solution

The fourth proportional to 25,114.51, 37,602.65 and 20,423.53 is: 30,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,114.51 : 37,602.65 = 20,423.53 : x
  2. Step 2: Convert to fraction form
    25,114.51/37,602.65 = 20,423.53/x
  3. Step 3: Cross multiply
    25,114.51x = 37,602.65 × 20,423.53
  4. Step 4: Simplify right side
    25,114.51x = 767,978,748.24
  5. Step 5: Solve for x
    x = 767,978,748.24/25,114.51
  6. Step 6: Final answer
    x = 30,579.09

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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.