Home / 22,220.61-30,663.18-13,024.95

Finding the Fourth Proportional to 22,220.61, 30,663.18 and 13,024.95

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Solution

The fourth proportional to 22,220.61, 30,663.18 and 13,024.95 is: 17,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.61 : 30,663.18 = 13,024.95 : x
  2. Step 2: Convert to fraction form
    22,220.61/30,663.18 = 13,024.95/x
  3. Step 3: Cross multiply
    22,220.61x = 30,663.18 × 13,024.95
  4. Step 4: Simplify right side
    22,220.61x = 399,386,386.34
  5. Step 5: Solve for x
    x = 399,386,386.34/22,220.61
  6. Step 6: Final answer
    x = 17,973.69

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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.