Home / 15,232.16-21,020.66-9,264.08

Finding the Fourth Proportional to 15,232.16, 21,020.66 and 9,264.08

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Solution

The fourth proportional to 15,232.16, 21,020.66 and 9,264.08 is: 12,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232.16 : 21,020.66 = 9,264.08 : x
  2. Step 2: Convert to fraction form
    15,232.16/21,020.66 = 9,264.08/x
  3. Step 3: Cross multiply
    15,232.16x = 21,020.66 × 9,264.08
  4. Step 4: Simplify right side
    15,232.16x = 194,737,075.89
  5. Step 5: Solve for x
    x = 194,737,075.89/15,232.16
  6. Step 6: Final answer
    x = 12,784.60

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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.