Home / 21,641.77-32,463.86-10,557.91

Finding the Fourth Proportional to 21,641.77, 32,463.86 and 10,557.91

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Solution

The fourth proportional to 21,641.77, 32,463.86 and 10,557.91 is: 15,837.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641.77 : 32,463.86 = 10,557.91 : x
  2. Step 2: Convert to fraction form
    21,641.77/32,463.86 = 10,557.91/x
  3. Step 3: Cross multiply
    21,641.77x = 32,463.86 × 10,557.91
  4. Step 4: Simplify right side
    21,641.77x = 342,750,512.13
  5. Step 5: Solve for x
    x = 342,750,512.13/21,641.77
  6. Step 6: Final answer
    x = 15,837.45

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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.