Home / 26,870.84-37,061.58-18,915.32

Finding the Fourth Proportional to 26,870.84, 37,061.58 and 18,915.32

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Solution

The fourth proportional to 26,870.84, 37,061.58 and 18,915.32 is: 26,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.84 : 37,061.58 = 18,915.32 : x
  2. Step 2: Convert to fraction form
    26,870.84/37,061.58 = 18,915.32/x
  3. Step 3: Cross multiply
    26,870.84x = 37,061.58 × 18,915.32
  4. Step 4: Simplify right side
    26,870.84x = 701,031,645.41
  5. Step 5: Solve for x
    x = 701,031,645.41/26,870.84
  6. Step 6: Final answer
    x = 26,088.94

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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.