Home / 22,364.32-30,877.28-13,875.52

Finding the Fourth Proportional to 22,364.32, 30,877.28 and 13,875.52

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Solution

The fourth proportional to 22,364.32, 30,877.28 and 13,875.52 is: 19,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,364.32 : 30,877.28 = 13,875.52 : x
  2. Step 2: Convert to fraction form
    22,364.32/30,877.28 = 13,875.52/x
  3. Step 3: Cross multiply
    22,364.32x = 30,877.28 × 13,875.52
  4. Step 4: Simplify right side
    22,364.32x = 428,438,316.19
  5. Step 5: Solve for x
    x = 428,438,316.19/22,364.32
  6. Step 6: Final answer
    x = 19,157.23

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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.