Home / 25,505.98-35,159.23-17,931.67

Finding the Fourth Proportional to 25,505.98, 35,159.23 and 17,931.67

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Solution

The fourth proportional to 25,505.98, 35,159.23 and 17,931.67 is: 24,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.98 : 35,159.23 = 17,931.67 : x
  2. Step 2: Convert to fraction form
    25,505.98/35,159.23 = 17,931.67/x
  3. Step 3: Cross multiply
    25,505.98x = 35,159.23 × 17,931.67
  4. Step 4: Simplify right side
    25,505.98x = 630,463,709.81
  5. Step 5: Solve for x
    x = 630,463,709.81/25,505.98
  6. Step 6: Final answer
    x = 24,718.27

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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.