Home / 21,588.74-32,316.03-11,703.50

Finding the Fourth Proportional to 21,588.74, 32,316.03 and 11,703.50

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Solution

The fourth proportional to 21,588.74, 32,316.03 and 11,703.50 is: 17,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.74 : 32,316.03 = 11,703.50 : x
  2. Step 2: Convert to fraction form
    21,588.74/32,316.03 = 11,703.50/x
  3. Step 3: Cross multiply
    21,588.74x = 32,316.03 × 11,703.50
  4. Step 4: Simplify right side
    21,588.74x = 378,210,657.11
  5. Step 5: Solve for x
    x = 378,210,657.11/21,588.74
  6. Step 6: Final answer
    x = 17,518.89

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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.