Home / 22,810.48-31,476.74-14,312.16

Finding the Fourth Proportional to 22,810.48, 31,476.74 and 14,312.16

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Solution

The fourth proportional to 22,810.48, 31,476.74 and 14,312.16 is: 19,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,810.48 : 31,476.74 = 14,312.16 : x
  2. Step 2: Convert to fraction form
    22,810.48/31,476.74 = 14,312.16/x
  3. Step 3: Cross multiply
    22,810.48x = 31,476.74 × 14,312.16
  4. Step 4: Simplify right side
    22,810.48x = 450,499,981.77
  5. Step 5: Solve for x
    x = 450,499,981.77/22,810.48
  6. Step 6: Final answer
    x = 19,749.70

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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.