Home / 25,120.31-37,681.27-7,590.29

Finding the Fourth Proportional to 25,120.31, 37,681.27 and 7,590.29

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Solution

The fourth proportional to 25,120.31, 37,681.27 and 7,590.29 is: 11,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.31 : 37,681.27 = 7,590.29 : x
  2. Step 2: Convert to fraction form
    25,120.31/37,681.27 = 7,590.29/x
  3. Step 3: Cross multiply
    25,120.31x = 37,681.27 × 7,590.29
  4. Step 4: Simplify right side
    25,120.31x = 286,011,559.49
  5. Step 5: Solve for x
    x = 286,011,559.49/25,120.31
  6. Step 6: Final answer
    x = 11,385.67

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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.