Home / 15,492.48-21,391.70-9,526.84

Finding the Fourth Proportional to 15,492.48, 21,391.70 and 9,526.84

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Solution

The fourth proportional to 15,492.48, 21,391.70 and 9,526.84 is: 13,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492.48 : 21,391.70 = 9,526.84 : x
  2. Step 2: Convert to fraction form
    15,492.48/21,391.70 = 9,526.84/x
  3. Step 3: Cross multiply
    15,492.48x = 21,391.70 × 9,526.84
  4. Step 4: Simplify right side
    15,492.48x = 203,795,303.23
  5. Step 5: Solve for x
    x = 203,795,303.23/15,492.48
  6. Step 6: Final answer
    x = 13,154.47

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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.