Home / 21,587.08-32,386.02-6,795.40

Finding the Fourth Proportional to 21,587.08, 32,386.02 and 6,795.40

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Solution

The fourth proportional to 21,587.08, 32,386.02 and 6,795.40 is: 10,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.08 : 32,386.02 = 6,795.40 : x
  2. Step 2: Convert to fraction form
    21,587.08/32,386.02 = 6,795.40/x
  3. Step 3: Cross multiply
    21,587.08x = 32,386.02 × 6,795.40
  4. Step 4: Simplify right side
    21,587.08x = 220,075,960.31
  5. Step 5: Solve for x
    x = 220,075,960.31/21,587.08
  6. Step 6: Final answer
    x = 10,194.80

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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.