Home / 22,915.47-31,623.66-14,953.08

Finding the Fourth Proportional to 22,915.47, 31,623.66 and 14,953.08

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Solution

The fourth proportional to 22,915.47, 31,623.66 and 14,953.08 is: 20,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915.47 : 31,623.66 = 14,953.08 : x
  2. Step 2: Convert to fraction form
    22,915.47/31,623.66 = 14,953.08/x
  3. Step 3: Cross multiply
    22,915.47x = 31,623.66 × 14,953.08
  4. Step 4: Simplify right side
    22,915.47x = 472,871,117.87
  5. Step 5: Solve for x
    x = 472,871,117.87/22,915.47
  6. Step 6: Final answer
    x = 20,635.45

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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.