Home / 14,010.69-21,010.80-4,648.96

Finding the Fourth Proportional to 14,010.69, 21,010.80 and 4,648.96

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Solution

The fourth proportional to 14,010.69, 21,010.80 and 4,648.96 is: 6,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.69 : 21,010.80 = 4,648.96 : x
  2. Step 2: Convert to fraction form
    14,010.69/21,010.80 = 4,648.96/x
  3. Step 3: Cross multiply
    14,010.69x = 21,010.80 × 4,648.96
  4. Step 4: Simplify right side
    14,010.69x = 97,678,368.77
  5. Step 5: Solve for x
    x = 97,678,368.77/14,010.69
  6. Step 6: Final answer
    x = 6,971.70

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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.