Home / 15,586.02-21,501.86-9,294.75

Finding the Fourth Proportional to 15,586.02, 21,501.86 and 9,294.75

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Solution

The fourth proportional to 15,586.02, 21,501.86 and 9,294.75 is: 12,822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586.02 : 21,501.86 = 9,294.75 : x
  2. Step 2: Convert to fraction form
    15,586.02/21,501.86 = 9,294.75/x
  3. Step 3: Cross multiply
    15,586.02x = 21,501.86 × 9,294.75
  4. Step 4: Simplify right side
    15,586.02x = 199,854,366.76
  5. Step 5: Solve for x
    x = 199,854,366.76/15,586.02
  6. Step 6: Final answer
    x = 12,822.67

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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.