Home / 15,988.32-23,981.61-4,895.01

Finding the Fourth Proportional to 15,988.32, 23,981.61 and 4,895.01

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Solution

The fourth proportional to 15,988.32, 23,981.61 and 4,895.01 is: 7,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.32 : 23,981.61 = 4,895.01 : x
  2. Step 2: Convert to fraction form
    15,988.32/23,981.61 = 4,895.01/x
  3. Step 3: Cross multiply
    15,988.32x = 23,981.61 × 4,895.01
  4. Step 4: Simplify right side
    15,988.32x = 117,390,220.77
  5. Step 5: Solve for x
    x = 117,390,220.77/15,988.32
  6. Step 6: Final answer
    x = 7,342.25

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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.