Home / 13,897.02-19,177.32-7,927.53

Finding the Fourth Proportional to 13,897.02, 19,177.32 and 7,927.53

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Solution

The fourth proportional to 13,897.02, 19,177.32 and 7,927.53 is: 10,939.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.02 : 19,177.32 = 7,927.53 : x
  2. Step 2: Convert to fraction form
    13,897.02/19,177.32 = 7,927.53/x
  3. Step 3: Cross multiply
    13,897.02x = 19,177.32 × 7,927.53
  4. Step 4: Simplify right side
    13,897.02x = 152,028,779.62
  5. Step 5: Solve for x
    x = 152,028,779.62/13,897.02
  6. Step 6: Final answer
    x = 10,939.67

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Double scale
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Similar ratio
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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.