Home / 21,543.16-29,740.35-14,833.93

Finding the Fourth Proportional to 21,543.16, 29,740.35 and 14,833.93

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Solution

The fourth proportional to 21,543.16, 29,740.35 and 14,833.93 is: 20,478.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.16 : 29,740.35 = 14,833.93 : x
  2. Step 2: Convert to fraction form
    21,543.16/29,740.35 = 14,833.93/x
  3. Step 3: Cross multiply
    21,543.16x = 29,740.35 × 14,833.93
  4. Step 4: Simplify right side
    21,543.16x = 441,166,270.08
  5. Step 5: Solve for x
    x = 441,166,270.08/21,543.16
  6. Step 6: Final answer
    x = 20,478.25

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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.