Home / 13,915.61-19,221.95-10,372.67

Finding the Fourth Proportional to 13,915.61, 19,221.95 and 10,372.67

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Solution

The fourth proportional to 13,915.61, 19,221.95 and 10,372.67 is: 14,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.61 : 19,221.95 = 10,372.67 : x
  2. Step 2: Convert to fraction form
    13,915.61/19,221.95 = 10,372.67/x
  3. Step 3: Cross multiply
    13,915.61x = 19,221.95 × 10,372.67
  4. Step 4: Simplify right side
    13,915.61x = 199,382,892.24
  5. Step 5: Solve for x
    x = 199,382,892.24/13,915.61
  6. Step 6: Final answer
    x = 14,328.00

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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.